Products

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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.

Drawing on more than ten years of battery R&D and manufacturing experience, we have independently developed a new generation of advanced battery products that break through the technical bottlenecks of traditional batteries. These innovative products are deployed in high end frequency regulation, precision energy storage and new energy low speed vehicle scenarios and constitute a core driver for our technological upgrading.
Our power oriented batteries feature high stability, superior safety and high energy density with industry leading performance indicators. Custom built batteries of various models, capacities and performance grades can be provided to match different equipment, widely serving low speed power machinery.
With years long experience in the communication power supply industry, we fully understand the special operating environments and requirements of communication base stations. Our dedicated base station batteries are characterized by high stability, superior safety and low cost, making them core supporting products for domestic communication infrastructure.
Supported by mature solution design capabilities, lean production management and a complete industrial chain layout, our energy storage batteries are suitable for a full range of power related scenarios. With multiple internationally recognized certifications, the products feature ultra long cycle life, high safety and stability, and can meet energy storage requirements under various power operating conditions.
High-performance Electric Double-Layer Capacitor(EDLC), cylindrical structure, ultra-low internal resistance, designed for high and medium power discharge, rated voltage of up to 3V, multiple units can be connect in series and parallel way.
Electric Double-Layer Capacitor(EDLC), cylindrical structure with snap‑fit termination, ultra‑low internal resistance, designed for medium‑to‑high power discharge, and a cell voltage of up to 3 V.

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 delivers robust, integrated umbilical cables that serve as vital lifelines for subsea operations, combining power, control, and fiber optic communications in one high‐reliability solution.ZTT’s umbilicals are engineered for critical subsea applications in oil & gas and renewable energy markets. They integrate hydraulic lines, electrical cables, and fiber optics within an armored, multi‐layer structure designed to withstand harsh deep‐sea environments—including pressures up to 3,000 meters, corrosive seawater, and dynamic loads. Our umbilicals support long‐term subsea production control, ROV operations, and real‐time monitoring, and are custom‐designed to ensure reliability over a 20‑30 year service life. Featuring advanced materials and real‐time integrity assessment, ZTT umbilicals offer unmatched performance for modern subsea developments.
Up to 1,000-core cables for island-mainland and offshore network telecommunications.ZTT provides a complete portfolio of non-repeatered submarine optical cables certified under UJC Alliance UQJ certification. Designed for medium-distance submarine networks between coastal cities and islands, these cables accommodate up to 96 standard fiber cores with expandable configurations exceeding 1,000 cores for ultra-high-capacity systems. They maintain operational integrity at depths of 8,000 meters.
XLPE insulated fibre-optic composite AC dynamic submarine cable with voltage 66 kV or belowApplicable to offshore wind power, offshore photovoltaic,wave energy systems,offshore oil & gas and other marine power transmission fields, voltage level 66 kV and below, conductor cross-section 800mm2 and below, 35 kV and 66 kV three-core crosslinked polyethylene-insulated AC dynamic submarine cables have passed the national new product identification, and the comprehensive technical performance has reached the international leading level.
XLPE insulated fibre optic composite DC submarine cable with voltage of ±525 kV or belowApplicable to offshore wind power, island power interconnection and other marine power transmission field, voltage level ±525 kV and below, conductor cross-section 3000mm2 and below, transmission capacity 2 GW and below. 
XLPE insulated fibre-optic composite AC submarine cable with voltage 500 kV or belowApplicable to offshore wind power, offshore photovoltaic, island power interconnection and other marine power transmission fields, voltage level 500 kV and below, conductor cross-section 3000mm2 and below, transmission capacity 1.5 GW and below, 500 kV single-core, three-core crosslinked polyethylene-insulated AC submarine cables, and other products have passed the national new product identification, and the comprehensive technical performance has reached the international leading level.

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.