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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 transceiver module designed for 2km optical communication applications. The design is compliant to 1000GBASE CWDM4 MSA standard. The module converts 4 inputs channels (CH) of 25Gb/s electrical data to 4 CWDM optical signals, and multiplexes them into a single channel for 100Gb/s optical transmission. Reversely, on the receiver side, the module optically de-multiplexes a 100Gb/s input into 4 CWDM channels signals, and converts them to 4 channel output electrical data.The central wavelengths of the 4 CWDM channels are 1271, 1291, 1311 and 1331 nm as members of the CWDM wavelength grid defined in ITU-T G.694.2. It contains a duplex LC connector for the optical interface and a 38-pin connector for the electrical interface. To minimize the optical dispersion in the long-haul system, single-mode fiber (SMF) has to be applied in this module. Host FEC is required to support up to 2km fiber transmission. The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP28 Multi-Source Agreement (MSA). It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference.
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 SFP+ BIDI transceiver is designed to transmit and receive optical data over SMF for link length 10km.The SFP+ BIDI module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. The module provides differential termination and reduce differential to common mode conversion for quality signal termination and low EMI.
The SFP+ transceiver provides 10G Base-LR throughput up to 10km over single-mode fiber (SMF) using a wavelength of 1310nm via an LC connector. Digital optical monitoring (DOM) support is present to allow access to real-time operating parameters.The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. The module provides differential termination and reduce differential to common mode conversion for quality signal termination and low EMI.
ZTT low loss and large effective area of single mode optical fiber is designed for long distance transmission system, and manufactured with MCVD technique. On the basis of the precise control of the refractive index, the fiber has low attenuation at C and L wave band; meanwhile, increase the effective area to suppress the nonlinear effect, which allows larger incident power, increases the nonlinear tolerance of the transmission system to meet the requirements of long distance and high capacity transmission and provide more system redundancy.
ZTT small size single mode fiber is to reduce the uncolored fiber from 250um to 200um through the precise control of the coating, which reduce the cable diameter efficiently and realize the larger fiber cables installation in the same duct resource to decrease the waste of duct space.
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.
Suitable for overhead lines in extremely cold regions such as Finland,Norway, Scandinavia,northern China and Russia.
Suitable for ultra-long station distance non relay lines with long transmission distances, large transmission capacity, and low transmission losses.
Suitable for large wind areas, heavy icing, and large crossing lines of various voltage levels.
Construction of new and old transmission lines with large and super large cores and “T” connection lines.
Applicable to connect extruding HV cables to outdoor electrical equipment and overhead lines,it is suitable for XLPE or EPR insulated cables with copper, aluminum or aluminum alloy conductors.
Silane Cross-linked Polyethylene Insulation Compound for Cables

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.

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
ZTT is equipped with full-fledged manufacturing lines for IWOCS umbilical cables, covering electrical signal cables, optical-fiber elements, cable cores assembly, aramid fiber reinforced braiding and sheath extrusion processes. Custom-engineered functional components can be provided to withstand harsh subsea service conditions.
Wind Turbine Installation Vessel
Cable Laying Vessel
Deepsea Self-propelled Cable Laying Vessel
Wind Turbine Installation Vessel

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.