Shanghai Guan le ming Co.,Ltd that has more than 60 years history is the largest manufacturer of jewel bearing & shock-absorber of wrist watch in far-east Asia, and is the only one company that can export jewel bearing & shock-absorber in China presently. The main products include jewel bearing, shock-absorber, mini-bearing of wrist watch, jewel bearing of instrument, jewel orifice and all sorts of industry jewel. The capacity of jewel bearing is 3 hundreds million and the capacity of shock-absorber is 8 million per year. The production of more than 50 percent good sale Swiss, Germany, Japan, Singapore, HongKong etc. With approval of the Ministry of Economy Trade in China, our company has autonomy of import and export. The company is well-equipped, consummate-technology, and good at super-hardness non-metal material cutting, grinding polishing, laser hole-drilling etc. The precision of products are “μ” level and quality attains international standard etc. we gained the certification of the ISO-9001 quality system certificate in 2003.