Yida Special Steel Group Ltd. Corp. | Address: P. O. Box 680252, Houston, Texas 77268, USA 
www.yidadrillcollar.com | Send Inquiry | Phone: +1-(713)-834-4413
Shanxi Yida Special Steel Group Co., Ltd. specializes in steel manufacturing and processing. We are an ISO 9001:2000 certified company. Our products include non-magnetic bars, bored bars, drill collar more...