LLP «Caspian Well Services» is 100% Kazakh company, which was founded in 2005. The Company has a wide experience of work in oil and gas industry. The main activity is drilling for oil and gas. Caspian Well Services has selected only one supplier for Drilling Rigs (XJ 450 and XJ 550 models) which we use in our Company which is RG PETRO-MACHINERY (GROUP) CO. LTD, the key manufacturer of petroleum drilling equipment in China. RG PETRO-MACHINERY (GROUP) CO., LTD. has been a member of International Association of Drilling Contractors (IADC) and now its products are certified in accordance with API SPEC 8A, 8C, 11E, 4F, 7K, 16C. RG products were approved by TUV and certified by ATEX. The main reason to work with one rig manufacturer is to simplify the process in spares logistics, spares interchangeability between the rigs and to keep reliability of equipment in terms of quality among Chinese suppliers. Caspian Well Services works in accordance with API standards and has successfully passed technical audit for compliance with API standards in an international organization «ModuSpec».