Hangzhou Chuangyi Machine Co., Ltd. Professionally produces self-drilling screw (drilling tail nail ), tapping screw and nonstandard screw. Our products are very competitive,such as hex head washer self-drilling screws,chipbaord screws,drywall screws,self tapping screws,wafer head self tapping screws,concrete nails,common nails,spring washer and others hardware.The company has been taking quality as its life since its establishment, and it has imported many advanced equipments and moulds and absorbed many advanced technologies from other countries. Our net site:www dot cyi0571 dot com.Contact us:cyi1679 at yahoo dot cn.Using advanced management modes, the company constantly improves its business operation ideas, pursues survival through first-class technical elites and product quality, and seeks development through honest operation and new product development. The company has been developing steadily through hard work of all the employees and it is acclaimed by all the customers.