Grant Prideco Inc. | Address: 400 N. Sam Houston Pkwy. East, Suite #900 , Houston, TX 77060, USA 
www.grantprideco.com | Phone: (281)-878-8000
Grant Prideco Inc.focuses on drill stem technology and drill pipe manufacturing. We provide engineered connections and premium tubular products. Our IntelliServ® Network transforms the drill stri more...

Taiyuan Simis Investment Casting Co., Ltd | Address: No. 1003 of Quanshun Mansion, No.15 Jiucheng Street,Jiefang Road, Taiyuan, Shanxi, China 
www.investment-casting.biz | Send Inquiry | Phone: +86-(0)-18634313024
Taiyuan Simis Investment Casting Co., Ltd specializing in manufacturing petroleum drill tools. We are an ISO 9001:2008 certified company. Our products include drill collars, petroleum casing pipes, al more...