Chengdu Xinxin High Strength Fastener Manufacture Co., Ltd.

Chengdu Xinxin High Strength Fastener Manufacture Co., Ltd. (成都市欣欣高强度紧固件制造有限公司), operating under the brand name XinQiang (欣强), is a specialized manufacturer of high-strength fasteners for the petroleum, petrochemical, hydropower, railway, and bridge industries. Founded in 1992 and headquartered in the Xinjin Industrial Zone of Chengdu, Sichuan Province, the company has over 30 years of manufacturing experience and more than 120 employees. The company occupies a total area of approximately 30,000 square meters, with registered capital of RMB 10 million and total assets of RMB 38 million. Xinxin is recognized as the first enterprise in China to obtain API Spec 20E certification (BSL-3 grade, Certificate No. 20E-0003), which it received in 2013, and as the third in Asia, making it a landmark supplier for oil and gas bolting. In 2019 the company expanded its API credentials to include API Spec 20F (Certificate No. 20F-0031) for corrosion-resistant bolting, becoming one of a small number of Chinese manufacturers holding dual API bolting certificates. Core products include full thread studs, tap end studs, double end studs, heavy hex nuts, and custom non-standard fastener components. Production spans oilfield BSL-1, BSL-2, and BSL-3 bolting, petrochemical stud bolts, hydropower equipment fasteners (stator bolts, frame bolts, runner bolts), and road-bridge high-strength fasteners. The company serves major Chinese energy operators including CNPC, Sinopec, and CNOOC, as well as international clients such as Emerson and Baker Hughes, and exports products to the USA, UAE, and Saudi Arabia. Additional quality credentials include ISO 9001 (since 2003), ISO 14001, ISO 45001, PED 2014/68/EU, AD 2000, China Classification Society (CCS), and Bureau Veritas (BV) certifications. The company was designated a Sichuan Province High-Tech Enterprise in 2013 and 2022, and was recognized as a Sichuan Province Specialized, Refined, Differentiated, and Innovative (Zhuanjingtexin) enterprise in 2022.