ZTRS is the optical networking brand of Shenzhen Bieshan Technology Co., Ltd. — an information and communication technology (ICT) service provider specializing in optical transceivers, industrial Ethernet switches and fiber media converters.
To grow into China's leading brand in ICT technology.
To drive continuous technological innovation and create value for customers.
Innovation · Collaboration · Professionalism · Customer first.
| Production area | 12,000 ㎡ |
| Annual capacity — optical modules | 1,200,000 pcs |
| Annual capacity — industrial switches | 300,000 pcs |
| Cleanroom | 10,000-class production lines |
| Process precision | COB die-attach & wire-bonding at 0.5 μm |
Structural design, optical simulation, RF simulation, thermal simulation and performance verification — every product is engineered and validated before production.
Mechanical and packaging design for optical modules and switches.
Optical path simulation to guarantee signal integrity.
High-speed signal simulation for 10G/25G/40G/100G.
Thermal design to ensure stable wide-temperature operation.
Comprehensive test against customer requirements.
Ruggedized optics for harsh environments.
DIN-rail industrial Ethernet switches.
19-inch rack-mount industrial switches.
Certified for railway rolling-stock applications.
Designed for explosive/hazardous environments.
Our quality, safety and environmental management systems are independently certified to international standards.
MES, SPC and PLM systems with full digital traceability.
Real-time monitoring of key process parameters.
Humidity, temperature-cycling, powered burn-in and more.
1.25G ~ 100G · SFP / SFP+ / SFP28 / QSFP+ / QSFP28 · SR/LR/ER/ZR · CWDM/DWDM.
Layer 2 / Layer 3 · PoE / PoE+ / PoE++ · rail & rack-mount.
Telecom & industrial grade · 100M / Gigabit · single & dual fiber.
Send us your part number or application requirements — our engineering and sales team will respond with a matched solution and quotation.
info@fiberoptlink.com