YONG YEN METAL CO., LTD.
address:No. 158, Lane 449, Changtsao Rd., Sec. 2, Homei Town, Changhua County, Taiwan 508
phone:886-4-761-9377, 761-9366
fax:886-4-763-6123
email:yongyen@ms47.hinet.net
link:www.yongyen.com