Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Din 7504 Self Drilling Screws, สกรูมุงหลังคาสังกะสี, sds สกรู, หลังคาเมทัลสกรูเจาะตนเอง,Hex หลังคาสกรู. Our company is working through the procedure principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a pleasant relationship with businessman from all around the earth. The product will supply to all over the world, such as Europe, America, Australia,Portugal, Atlanta,Luxemburg, UAE.Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.