Norce Drilling & Rolling Co., Ltd

Norce Drilling & Rolling Co., Ltd is a manufacturer and exporter of oil and gas drilling tools based in China mainland. Our main products covers high quality drill collar, heavy weight drill pipe(HWDP), rotary kelly, drill stabilizer, etc. We're equipped with much high precision machinery. Through the good cooperation between engineers and mechanics, we're confident to offer the best solution. Norce follows strictly to the ISO 9001:2000 quality system and API specifications. The raw materials for drilling tools are all made from AISI 4145 H forging or rolling modified steel. When producing, traceability is maintained and serial numbers are die-stamped on each bar body. Ultrasonic Testing and Magnetic Particle Testing are practiced before and after Heat Treatment. Specimens are taken from each bar to carry out Tensile Test and Impact Test. All connections are made according to API Specification 7 the latest version. Therefore we guarantee the mechanical properties of every product comply with or exceed the requirements of API. Norce's products have been widely used among some famous oilfields in China, and excellent reputation is gained due to high quality, competitive prices, prompt delivery time, and most importantly, longer working time than that of other competitors'. To start our cooperation now, feel free to contact with us!