Hengtong designs and manufactures fibre preform offering superior performance and reliability. We have now successfully a broad range of preform products. Our longest preform length reaches 6m, O.D.200mm, corresponding to fibre over 15,000km. The preform O.D varies from 80 to 200mm. We supply preform for producing full spectrum low water peak fibre G.652.D and FTTx fibre G.657.A. The low loss optical fibre for long distance trunk communication construction and the low loss bend insensitive fibre for specific application. The special fibre G.654 with long distance and low loss submarine cable.

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