Kerui Group is a reliable international enterprise with the powerful, advanced technology, standardized administration system, excellent reputation and has successfully become member of IADC, ICC CCPIT. Furthermore, our company been granted API Certificate, ISO 9001: 2000 Quality ...
Telephone:86 - 010 - 131611685
Address:No.1902/03 Jinyu international Building A No.48 Wangjingxi road Chaoyang district Beijing China Beijing Beijing China