SHANGHAI TONGHUI MECHANICAL CO., LTD

We are SHANGHAI TONGHUI MECHANICAL CO., LTD is the key mechanical products manufacturer in china. We passed ISO9001: 2000 quality management systerm. Low price, High quality & new designs, with more than 15 years experience for production. Our products as follows: self-drilling screw self-tapping scre Drywall screw Chipboard screw Wood screw Machine screw Galvanized roofing bolts Concrete screws Window screw Washer Flat washer Spring lock washer Nut Hex nuts Nylon lock nuts, Flange nuts, Cap nuts Wing nuts, Spring nuts, Hex long nuts Bolts Hex head bolts[DIN933, DIN931, DIN912 Carriage bolt DIN603 Flat eye bolt , Hex flange head bolt Thread rods , 4.8 grade , 8.8 grade, 10.9 grade, 12.9 grade Precision spring, die spring, disc spring, mechanical spring, disc spring and so on. Belt Buckles, Shoes & Handbag Accessories, Metal Button If you have concerning inquiry, please do not hesitate to contact us directly. Meanwhile, we will appreciate if you could inform us detail size, finish, quantity, packing. We will quote you our best prices. Yours timely reply will be appreciated best regards selina lee