As one of the largest optical manufacturing base in the world, we hold thousands of invention patents and take part in drawing up tens of national standards of optical fiber. Some of our achievements break the records of the industry, such as the biggest size optical fiber preform etc.

What do we produce? 

Non-dispersion shifted single-mode optical fiber

Extended wavelength band non-dispersion shifted single-mode optical fiber

Non-zero dispersion shifted single-mode optical fiber

Small external diameter and bending-loss insensitive single-mode optical fiber for access network G.657.A1

Small external diameter and bending-loss insensitive single-mode optical fiber for access network G.657.A2

200μm small external diameter and bending-loss insensitive single-mode optical fiber for access network

HENGTONG high temperature acrylate single-mode fiber

62.5/125μm graded-index multimode fiber

50/125μm graded-index multimode fiber

OM3 multimode fiber

OM4 multimode fiber

Quality assurance

We emphasize quality management for whole staff and in whole process, apply 6σmanagement method, establish professional and rigorous management culture and pursue excellent performance. We have certified ISO9001, ISO14001, OHSAS18001, ANATEL by well-known organization of DNV, TLC and national telecommunication agent of Brazil, respectively.

Enlightening the Future

HENGTONG aims for high-end technology and products, conforms to the industrial trends of communication and electric power, and is dedicated to the needs of optical communication, power distribution&transmission and a variety of special transmission applications.