Karamay ENZE Petroleum Technology Services Ltd., is a high-tech enterprise focusing on oil field engineering and technology services and integrated with R&D and production of relevant products. ENZE focuses on the management of inefficient oil wells and the production of crude oil; in which are the core technical product of ENZE, includes the temperature-resistant composite heavy oil viscosity reducer and stimulation injection process, thermochemical dewaxing technology, inefficient steam stimulation-block management technology, dual chemical flooding system and injection technology, oil well and tube variable-frequency electric-heating technology, etc. has been put into application in oil fields in Central Plains, Nanyang, Shengli, Liaohe, Sinkiang, Changqing, Yanchang and Tuha, etc. Obvious performance has been achieved, and it has been well received by the industry. ENZE is certified under the ISO 9001:2015, ISO 14001:2015, and OHSAS18001:2007 as well as HSE management system certification.