Petro-king Oilfield Services Ltd. operates as an investment holding company, which engages in the provision of oilfield services, specializing in well drilling and completion. The company is headquartered in Shenzhen, Guangdong and currently employs 191 full-time employees. The company went IPO on 2013-03-06. The firm is also engaged in activities in the trading of oilfield and gas field related products. The firm mainly conducts its businesses through two segments, including Oilfield Project Tools and Services segment and Consultancy Services segment. The Consultancy Services segment mainly engages in the provision of integrated project management services and supervisory services. The firm mainly conducts its businesses within domestic market.