We are a professional manufacturer of passive optical components, not a trading company.

Gracyfiber is based in Shenzhen, China, with our own production lines and testing facilities. We specialize in WDM, CWDM/DWDM, PM components, PLC splitters, fiber optic couplers, isolators, circulators, MPO/MTP products, and customized optical solutions.

We can support both standard products and customized requirements according to your application.

The main opportunity came from the fast growth of 5G networks, data centers, FTTx, and high-speed optical communication systems.

Gracyfiber developed quickly because we focused on passive optical components and customized solutions at the right time, including WDM, CWDM/DWDM, PLC splitters, PM components, MPO/MTP products, isolators, and circulators. With our own production lines, testing capability, and quality control system, we were able to support customers with stable quality and flexible customization.

Our growth is mainly based on industry demand, technical experience, manufacturing capability, and long-term customer trust.

Gracyfiber is a professional manufacturer of passive optical components based in Shenzhen, China. We have our own production lines, testing systems, and quality control process, supporting both standard products and customized optical solutions.

Our main monthly production capacity includes:

• WDM devices: around 100,000 pcs/month
• WDM modules: around 50,000 pcs/month
• PLC splitter devices: around 200,000 pcs/month
• PLC splitter modules: around 50,000 pcs/month
• Fiber optic couplers: around 50,000 pcs/month
• MPO/MTP patch cords: around 100,000 pcs/month
• MPO/MTP modules: around 10,000 pcs/month
• Isolators and circulators: around 5,000 pcs/month each
• PM components, such as PM couplers, PM WDM, PM isolators, PM circulators, PM collimators, and PM jumpers: from around 1,000 to 5,000 pcs/month depending on product type
• Optical transceivers: up to 200,000 pcs/month for 10G SFP/XFP products, and around 10,000–50,000 pcs/month for 100G/400G products depending on model

Besides mass production, we also have strong capability for customized products, including special wavelengths, connector types, package sizes, fiber types, channel configurations, and high-reliability requirements.

We fully understand your concern about product quality.

Gracyfiber is a professional manufacturer with our own production lines, testing systems, and quality control process. Our products are inspected during production and tested before shipment to ensure stable optical performance, including insertion loss, return loss, wavelength accuracy, isolation, polarization performance, and reliability depending on the product type.

We also have ISO quality management certification, RoHS compliance, and reliability testing capability, including high/low temperature cycling, high temperature and humidity testing, vibration, mechanical shock, and tensile testing.

For new customers, we usually suggest starting with sample orders or small trial orders. This allows you to test our product performance, workmanship, and service before placing bulk orders.

We believe long-term cooperation is built on stable quality, professional support, and customer trust.

After receiving your inquiry, our team will contact you within 24 hours.

Shenzhen Port.

Of course, our team is willing to do our best to assist our customers.

Yes, we will do some inventory for some conventional products that are repurchased. If you happen to need our inventory products, the delivery time can be shortened to less than two days.

Of course! We welcome our customers to visit our factory and give valuable advice to increase our mutual trust and promote long-term cooperation. Not only that, we will also visit our customers at the right time.

As an influential international company, we never change prices arbitrarily. Do our best to protect the interests of our customers, this is the principle we have always adhered to.