Chengdu New Chengliang Tools Co., Ltd.

Chengdu New Chengliang Tools Co., Ltd. (成都新成量工具有限公司) is a Chinese manufacturer of precision measuring instruments, metal cutting tools, and API-certified petroleum gauges. The company traces its roots to 1956 and is headquartered in the Xindu District of Chengdu, Sichuan Province. It is recognized by the Chinese government as a state key measuring enterprise and national export base for metrology equipment. The company holds ISO 9001 and ISO 14001 quality and environmental management certifications, and has obtained the official API monogram authority for three API product specifications: API Spec 11B (Sucker Rods and Rod-Related Products), API Spec 5B (Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads), and API Spec 7-2 (Threading and Gauging of Rotary Shouldered Connections). These API certifications position the company as a manufacturer and calibrator of thread gauges used across the upstream oil and gas industry for inspecting sucker rod connections, casing and tubing threads, and drillstring rotary shouldered connections. Core product lines include ring and plug gauges, API petroleum thread gauges (Spec 11B, 5B, and 7-2), dial indicators, micrometers, calipers, gauge blocks, vernier calipers, bore gauges, and a full line of HSS and CNC cutting tools including end mills, twist drills, milling cutters, and taps and dies. Annual output value is reported at US$50 million to US$100 million. Products are exported to North America, Southeast Asia, the Middle East, and Western Europe, making the company a significant supplier of precision oilfield gauging equipment from China.