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API 11D1 upgrade V3 certification passed

    On May 3, 2018, our company passed the audit of design confirmation grade V3 and quality grade Q1 in API 11D1, and obtained the corresponding qualifications.

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Dripro Co., Ltd
Office: (86)-10-8479 8338
Fax: (86)-10-8479 8339
Cell Phone:13716195115
E-mail: peter.ren@dripro.cn
Address: Room B501,Building No. 2, No. 2 of North Taipingzhuang Road, Haidian District, Beijing, P.R.China.
Postal code:100088