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We have a deep understanding of various application characteristics of communication base stations. Excellent in stability and safety, low cost, our communication base station specific batteries make us the unique supplier for the three major operators domestically and an excellent partner recognized by China Tower. Adhering to the idea of “quality up but cost down”, our company has been a leading player in the communication power supply sector for many years.

This product is a parallel 400Gb/s QSFP-DD optical module. It provides increased port density and total system cost savings. The QSFP-DD full-duplex optical module offers 8 independent transmit channels and 8 independent receive channels, each capable of 50Gb/s operation for an aggregate data rate of 400Gb/s on 100 meters of OM4 multi-mode fiber.
The 400G PAM4 QSFP-DD DR4 optical transceiver is intended for 500m reach up to 4x 106Gbps PAM4 single mode 400Gbps communications equipment where cost effective, extraordinary performance and reliability are essential. The product is designed for 500m links Application of Data Center which meet 400G DR4 specification. On the transmitter side, 8-channel electrical lanes which is capable of 53.125Gbps PAM4 data per lane converted into 4-channel 106.25Gbps PAM4 optical lane by gearbox. On the receive side, 4-channel 106.25Gbps PAM4 optical lane converted into 8-channel 53.125Gbps PAM4 electrical lanes. Module-level digital diagnostic functions are available via an I2C interface, as specified by the QSFP-DD MSA.
The 400G PAM4 QSFP-DD LR8 optical transceiver is intended for 10km reach up to 8x 53.125Gbps PAM4 single mode 400Gbps communications equipment where cost effective, extraordinary performance and reliability are essential. The product is designed for 10km links Application of Data Center which meet 400G LR8 specification. On the transmitter side, 8-channel electrical lanes which is capable of 53.125Gbps PAM4 data per lane converted into 8-channel 53.125Gbps PAM4 optical lane by gearbox, and multiplex them into one single mode fiber .On the receive side, 425Gbps optical Signal was de-multiplexed into 8-channel 53.125Gbps PAM4 optical lane, and converted into 8-channel 53.125Gbps PAM4 electrical lanes by gearbox. Module-level digital diagnostic functions are available via an I2C interface, as specified by the QSFP-DD MSA.
The 400G PAM4 QSFP-DD LR4 optical transceiver is intended for 10km reach up to 4x 106Gbps PAM4 single mode 400Gbps communications equipment where cost effective, extraordinary performance and reliability are essential. The product is designed for 10km links Application of Data Center which meet 400G LR4 specification. On the transmitter side, 8-channel electrical lanes which is capable of 53.125Gbps PAM4 data per lane converted into 4-channel 106.25Gbps PAM4 optical lane by gearbox, and multiplex them into one single mode fiber .On the receive side, 425Gbps optical Signal was de-multiplexed into 4-channel 106.25Gbps PAM4 optical lane, and converted into 8-channel 53.125Gbps PAM4 electrical lanes by gearbox. Module-level digital diagnostic functions are available via an I2C interface, as specified by the QSFP-DD MSA.
The 400G PAM4 QSFP-DD FR4 optical transceiver is intended for 2km reach up to 4x 106Gbps PAM4 single mode 400Gbps communications equipment where cost effective, extraordinary performance and reliability are essential. The product is designed for 2km links Application of Data Center which meet 400G FR4 specification. On the transmitter side, 8-channel electrical lanes which is capable of 53.125Gbps PAM4 data per lane converted into 4-channel 106.25Gbps PAM4 optical lane by gearbox, and multiplex them into one single mode fiber .On the receive side, 425Gbps optical Signal was de-multiplexed into 4-channel 106.25Gbps PAM4 optical lane, and converted into 8-channel 53.125Gbps PAM4 electrical lanes by gearbox. Module-level digital diagnostic functions are available via an I2C interface, as specified by the QSFP-DD MSA.
The 400G PAM4 QSFP-DD ER8 optical transceiver is intended for 40km reach up to 8x 53.125Gbps PAM4 single mode 400Gbps communications equipment where cost effective, extraordinary performance and reliability are essential. The product is designed for 40km links Application of Data Center which meet 400G ER8 specification. On the transmitter side, 8-channel electrical lanes which is capable of 53.125Gbps PAM4 data per lane converted into 8-channel 53.125Gbps PAM4 optical lane by gearbox, and multiplex them into one single mode fiber .On the receive side, 425Gbps optical Signal was de-multiplexed into 8-channel 53.125Gbps PAM4 optical lane, and converted into 8-channel 53.125Gbps PAM4 electrical lanes by gearbox. Module-level digital diagnostic functions are available via an I2C interface, as specified by the QSFP-DD MSA.
ZTT develops reliable and intelligent transmission and distribution networks to enhance the global power grid. Guided by three core principles—safety and efficiency, sustainability through reduced carbon emissions, and smart technology integration—ZTT delivers innovative solutions that redefine energy transmission.
A three-phase American-style pad-mounted transformer, oil-filled with 65 °C temperature rise. Designed and manufactured in compliance with ANSI / IEEE / DOE 2016 standards, it delivers reliable, long-life outdoor distribution performance. UL listed and ISO 9001 certified.
A single-phase American-style pad-mounted transformer with a clamshell (flip-top) cabinet design for easy access to connections. Highly versatile, it supports various protection and switching configurations while meeting the reliability and safety requirements of any distribution system.
An all-in-one container substation integrating PCS / PV inverter, transformer, HV switchgear and LV distribution panel. Factory-assembled for rapid deployment, saving space vs. split-type solutions. Ideal for PV plants and energy storage stations, supporting 12 kV / 40.5 kV grid connection.
The container-type compact substation is a dedicated power distribution unit for wind and solar farms. It steps up the low-voltage output from inverters to 40.5 kV for grid connection. Housed in a standard shipping-container enclosure, it offers modular design, small footprint and easy on-site installation — ideal for large-scale renewable energy projects.
Combining the best of European and American designs, the Chinese-style substation integrates HV switchgear, LV distribution panel and oil-immersed transformer in a weatherproof enclosure. The transformer is mounted outside the switchgear compartments for efficient cooling. Optimized for PV and wind power, it supports large capacities and meets the latest energy efficiency standards.
The YB series European-style prefabricated substation integrates HV switchgear, power transformer and LV switchgear in one weatherproof enclosure. Compliant with GB/T 17467 and IEC 1330, it delivers a compact footprint, fast installation and low maintenance — ideal for urban distribution and decentralized power supply.

Enjoying precise scheme design, lean production control and refined industrial chain layout, our energy storage battery products can be used in various scenarios such as user side and power generation side.

With the certifications of UL, 9540A and TUV, high stability and high safety throughout the life cycle(4000~10000 times) have been achieved, suitable for 0.25P~1P application.

The N-type TopCon flagship series offers superior LCOE advantages for utility-scale and commercial & industrial (C&I) rooftop PV projects. Powered by smart automated manufacturing, it enhances efficiency, reduces costs, and ensures uncompromising quality consistency across every batch.
N-type BC dual-glass module for residential applications.​By eliminating front metal grid lines, it minimizes shading loss while delivering high power output and excellent shading tolerance. Designed for residential and small distributed PV projects seeking high generation returns, the module features a dual-glass structure that ensures long-term reliability and outstanding performance on rooftops prone to shading and high summer temperatures.
The ENERGRID series offers a range of prefabricated liquid-cooling battery energy storage systems, each a fully integrated solution. The N3 model integrates high-performance batteries, an intelligent Battery Management System (BMS), advanced liquid-cooling thermal management, active fire protection, and a complete electrical distribution system within a modular enclosure. Designed to accommodate a wide voltage range and various capacity options, the series provides flexible configurations ideally suited for new energy power stations and microgrid systems.
The ENERGRID series offers a range of prefabricated liquid-cooling battery energy storage systems, each a fully integrated solution. The 261 kWh integrated liquid-cooling outdoor cabinet is a compact, all-in-one C&I energy storage solution, seamlessly integrating batteries, BMS, PCS, fire protection, and a local EMS into a single unit. (Note: DM261 is a DC-side battery cabinet product and does not include PCS or EMS.)
The ENERGRID series offers a range of prefabricated liquid-cooling battery energy storage systems, each a fully integrated solution. The 10-foot energy storage container is a highly integrated, liquid-cooling energy storage system. It uses a standard 10-foot container enclosure and internally integrates battery clusters, liquid cooling temperature control, a PCS, as well as fire protection and auxiliary power distribution systems. When paired with an external EMS, it is ready for grid connection upon deployment.
With the industry-leading energy consumption, our latest electrolyzers are based on the technological innovation and development of National Institute of Clean-and-Low-Carbon Energy (NICE), and have the characteristics of lower energy consumption, more application scenarios, high degree of automation, safe and reliable operation and the 1.8V@0.5A/cm² chamber voltage.

ZTT’s submarine fiber optic cables provide high-speed, low-latency connectivity for global telecom and offshore energy networks. Designed with high fiber counts, robust protection, and advanced signal technology, they withstand deep-sea pressure, abrasion, and harsh marine conditions.

ZTT’s Repeatered Submarine Optical Cable has obtained international UJC certification. It is suitable for intercontinental transoceanic long-distance, low-loss, high-bit-rate repeatered submarine communication systems, as well as subsea observation networks and marine three-dimensional monitoring systems.It supports up to 96 optical fibres, with a maximum operating voltage of 20 kVDC and maximum deployment water depth of 8,000 m. The product range includes DA, SA, LWP and LW cable types.
Instrument & Control Cables are signal transmission cables specially designed for onshore petroleum and natural gas exploration, extraction, production, refining, storage and transportation facilities, as well as other industrial applications. They are primarily used to connect field instruments, sensors and actuators to control systems to transmit monitoring and control signals
Photovoltaic DC special cable, using irradiation cross-linked double insulation sheath, resistant to ultraviolet rays, weather aging, high and low temperature adaptability, soft and easy to lay, suitable for household, industrial and commercial and large-scale ground photovoltaic power stations, supporting multi-specification, multi-certification supply.
Rolling Stock Cables are suitable for fixed installation and cross connection installation of power, control and communication systems for various railway rolling stock and urban rail transit vehicles, and has excellent low smoke and halogen-free, mineral oil and fuel oil resistance, as well as dynamic flexibility performance.
Flexible Wind Turbine Power Cables are specially engineered for wind turbine tower and nacelle internal wiring, rated up to 132 kV. It features fine-stranded copper or aluminum alloy conductors,  EPR insulation, and CPE outer sheath. Designed for continuous flexing and tight bending radii, it maintains stable performance under vibration, mechanical stress and wide temperature swings (-40℃ to +105℃). Flame-retardant, oil-resistant, UV-resistant and halogen-free (LSZH optional) versions are available to meet international onshore and offshore wind standards.
The Marine & Offshore cable (up to 30kV) are primarily used for power transmission, circuit systems, control systems, instrumentation equipment, and communication systems in commercial marine and offshore equipment applications.The Marine & Offshore cables meet the international standards of IEC 60092-350/353/354/376, and Industry standard of NEK TS 606 etc, and can be manufactured according to customers’ requirements. The marine and offshore cables have been approved by major classification society such as ABS, BV, CCS, DNV, KR, LR, NK, RINA etc. ZTT also can produce other special cables such as Coaxial cable, Ethernet cable, BUS cable, OPLC, Shore power cable, Port Machinery cable etc.

We have a deep understanding of various application characteristics of communication base stations. Excellent in stability and safety, low cost, our communication base station specific batteries make us the unique supplier for the three major operators domestically and an excellent partner recognized by China Tower. Adhering to the idea of “quality up but cost down”, our company has been a leading player in the communication power supply sector for many years.

Intelligent storage with bin-type stacker cranes utilizes bins as storage and retrieval units, achieving high-precision automatic storage and retrieval, high density and space-saving, efficient and stable operation, and adaptability to multiple types of small materials, enabling intelligent and automated management of the entire storage process.
Pallet stacker intelligent warehousing utilizes pallets as the load-bearing unit, enabling high-level three-dimensional storage, fully automated storage and retrieval handling, stable and efficient operation, significantly increasing storage capacity, adapting to bulk palletized goods, and achieving intelligent unmanned warehousing operations.
The intelligent storage system utilizing four-way shuttles eliminates the need for fixed aisles, allowing for flexible movement in all directions. It features fully automated storage and retrieval, high-density three-dimensional storage, and compatibility with multiple specifications of material boxes and pallets, enabling flexible, intelligent, and unmanned warehouse operations.
AGV intelligent logistics handling equipment, featuring fully automated unmanned transportation, flexible scheduling, and adaptability to production lines and warehouses, replaces manual transfer, enhances logistics efficiency, and achieves automated material flow within the factory area.
As testing requirements and volumes in the cable industry continue to increase, intelligent testing has emerged as a new industry trend. Intelligent cable testing equipment products are independently developed by Zhongtian Smart Equipment Co., Ltd. This product portfolio automates the circulation and testing of bare conductors and links key test parameters to the corresponding conductor products to interface with the MES via the host computer.
It is an integrated platform for industrial enterprises  to monitor energy consumption, calculate carbon emissions, track carbon footprints, and manage reporting. Built upon international standards, it enables digital and standardized management of energy and carbon data, supporting enterprises in their green, low-carbon transition and regulatory compliance.