Shenzhen Oishi Industries Co.,Ltd was founded in 2001, It is an authorized import/export company . The main products are trousers hook, waist adjuster, skirt hook, collar hook, spring hook, snap fastener, silk covered snap ect. And the registered trademark is "K.O" in China. The trousers hook and waist adjuster which self-developed according to the characteristics for Chinese and Europe market have been authorized by the international authority of Intertek Eco-Certification.(Certification Number is 2009-03040-I). The metal release rate for nickel, lead, antimony, arsenic, barium, cadmium, chromium, Gong, and selenium for our company's Eco-Certificated stainless steel trousers hook and waist adjuster is completely in according with the environmental standard in Europe. And they have been widely accepted for European customers . Now, the copper prices continue