SHENGYE METAL MANUFACTORY is a manufacturer of Over-head Transom closers, Floor Spring, Door Closer and Patch Fitting, which was established in 1990. With a 20,000 sq.m. factory - housing three production lines manned by 200 employees - we produce up to 100,000 floor springs/door closers and 150,000 patch fittings monthly. We also offer ODM and OEM services to cater to your specific needs. We are accredited with ISO 9001-2000 and compliance with China Technical Standards and National ...   |