As the predecessor of Tengyu Huangxing factory was established, Providing door hardwares’ machining service for local trading company.
Ningbo Tengyu was formally established, Open committed to R&D, manufacturing, sales of our own door system products.
Passed ISO9001 quality system. Cooperation with Kingfisher.
Obtain the 1st Utility. Patent Certificate.
Move to a new plant. Obtained FSC certificate.
Passed BSCI audit.
Developed and produced barn door hardware, Cooperation with The Home Depot.
Cooperation With OBI.
Move to a new plant.
Passed ISO14001:2015 & OHSAS18001. Rated as a National High-Tech Enterprise.
Start to design and produce metal frame glass door & window.
The new factory is under construction.