Established in 2004,Harbin Telilai Petroleum Tool Manufacture Co., Ltd (hereinafter TELILAI) is a leading manufacturer ,and is located in Niujia industrial park, Heilongjiang province,China. which is a high-tech collection of scientific researchdesignproduction and sales.and the company mainly produces oil auxiliary tools, specializing in developping and producing oil drilling tools and non-standard metrological instruments. The main products of the company include PDC bits, non-standard tools, measuring tools, fixture, which are widely used in many oilfields both at home and abroad. The design, manufacture and inspection standards are carried out under the guidance of the advanced bit technical specifications. and TELILAI is an authorized API manufacturer. The products all have passed the API specification 7 and awarded the ISO9001:2008 quality management system certificateISO14001:2004 environmental management system certificateOHSAS18001:2007 occupational health and safety management system certificate. and certificates of utility model patent. With leading technical superiority, rich producing experience and perfect quality management system ,we will sincerely provide first-class service to our customers ,and hope to cooperate with both new and existing customers.