... Certification:ISO14001:2004 ISO9001:2001 SGS Specifications Stainless steel hex head wood screws Process Capablilities Standard ISO, GB, DIN, JIS, ANSI ... Metal Products Co., Ltd. is a manufacturer of screws with well-equipped testing equipment and strong technical force. ... equipment from Taiwan area, and mainly produces forged fastener precise screws, which are made of titanium, copper, aluminum, iron ...