api 2h100+ factories verified

SANMA Fastener: API 20E Manufacturer High-Precision Fasteners & Quality Assurance

NINGBO KINGLI FASTENER Co., Ltd (KLF) is a renowned manufacturer with decades of experience in custom manufacturing stud bolts, headed bolts, construction fasteners, and specialty fasteners. Our products play a critical role in the construction and maintenance of various infrastructure projects such as buildings, roads, bridges, power generation plants, and oil and gas facilities both domestically and internationally.

Shanghai G&T Industrial Co., Ltd., located in Jing'an District, Shanghai, offers OEM/ ODM services for fasteners. With over 20 years of experience in the production and export of high-quality standard fasteners, non-standard parts, which are widely used in various fields such as high-speed rail, ships, nuclear power, new energy, mechanical equipment, petrochemicals, military equipment, aerospace, etc.

We Xiamen Qishine Industry Co., Ltd. is dedicated to supplying extensive range of Pipe, Valve, Flange, Pipe Fitting, Fastener, Gasket and related spare parts for oil, gas, petroleum industry service. And we offer Solar Power Supply System, such as Photovoltaic Panel in New Energy Field. Qishine. En. Made-in-China. com is our homepage, you are welcome to login for more details.

Guangzhou Kingmetal Steel Industry Co., Ltd., is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipefittings and prefabricated house. We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.

Dongying Lake Petroleum Technology Co., Ltd (Lake Petro) is a one-stop oil service company with 15 years of work experience in oil and gas fields. We have served over 300 clients in over 30 countries and regions, involving oil and gas, water wells, mining, geology, oceanography, etc. We commit to provide the best products and services to our customers worldwide.

Dongying Jinxiu Petroleum Machinery Co., Ltd (JX PETRO) was founded in 2005 with registered capital of RMB 50, 000, 000 Yuan in Shengli Oilfield, the oil equipment hub of China. JX Petro is a professional manufacturer and supplier of petroleum drilling and production equipment with API certification.

Handan Qijing Fastener Manufacture Co., Ltd. Was established in 1994, located in the hometown of fasteners hebei handan city. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine, which is brought in domestic and foreign well-known enterprises. The products made are fully compatible with the international standards, well received by domestic and foreign customers.

SHANDONG VSP PETROLEUM TECHNOLOGY Co., Ltd. - Global Top Drive Solutions Provider

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

Zhejiang NaiBang Valve Co., Ltd. is a specialized company devoted into manufacture and sales of valves, the company situates in ou-bei town-the center of China's pumps & valves, with ground area 18800m2, machine workshop, assemble workshop and synthetic finished half - finished warehouse. The company possesses 210 precise equipments, the advanced numeral control machines ensure the flexibility and exchangeability of all the product parts. The company flourishes year by year, and its products have been widely used in lines of domestic large PowerStation configuration, dirty water processing, urban construction, petroleum-chemical, oil extraction, metallurgy, chemical fertilizer, paper production and pharmacy, exported to many countries and regions, gains the users' unanimous praise and confidence.

Company Introduction

Chengdu Derbo Steel Co., Ltd. Since its establishment in 1990s, has focused on steel industry for more than10 years with the principle of perfect quality and excellent service and basic purpose of providing strategic sourcing service and product solutions for foreign market.

Since 1989, Vatac Vango Valves Manufacturer China has dedicated itself to the manufacture and service of a wide range of industrial valves and fittings for the services of Oil, Gas, Refinery, Chemical, Marine, Power Station and Pipeline Industries.

Yuming Valve Group Co., Ltd. Was found in 1972, covering an area of 82000 square meters industrial park, which was constructed 38000 square meters.

Zhejiang LongGong Valve Technology Co., Ltd is a valve manufacturer for industrial valves&Valve casting based in Wenzhou, China. With our highly experienced R&D team, advanced technology & facilities, industrial certifications, excellent customer services, superior quality and competative pricing, LongGong Valve is the manufacturer you can rely on.

Wenbao Valve Co., Ltd is located in Wenzhou city - the valve centre of China and covers an area of 6000 square meters. The company is specialized in the development, production and sales of pipe fittings and has the most advanced processing equipment, modern testing technologies, various CNC machines and other advanced machines.

J-VALVES is a manufacturer of Industrial Valves, focus on offering full sets of Industrial valves solutions to all over the world. The company was founded on 2018 which is young, passionate and creative. J-VALVES has own engieer team and inspection team, including 8 engineers, 8 inspectors and 20 sales person for domestic and international markets. Since 2018, J-VAVLES has invested three factories, include GGC valves and ball valves within 5 years.

Bester Industrial Technology Co., Ltd. is a professional manufacturer and exporter specializing in high and low temperature fasteners, as well as high-pressure corrosion-resistant fastening solutions. We serve global industries including structural engineering, oil & gas, petrochemical, power generation, offshore engineering, nuclear facilities, and heavy machinery.

Zhejiang Ronze Valve Co., Ltd. is located in well-known China Pump&Valve hometown-Five-star Industrial zone, Oubei town, Wenzhou. The company, established in 1989, being to the first steep provider net of China Petroleum&Natural Group, the pointed manufacture company of the Chemical Industrial Equipment Corpporation, and the mtmbder of China CITYGAS ASSCOCIATION. The company covers 4500 square meters and the construction area is 3400 square meters. It has become a valve company which integrates Researching, manufacturing, designing, sales and after services as a specialized unit. Our main products is API valves, forged valves and steam traps. Including gate valve, globe valve, check valve, ball valve and steam traps. The valves manufactured by our company are widely applicable to the fields of petroleum, chemical industry, power industry, metallurgy, pharmacy paper making and food with good reputation and reliability from users.

Passion and dedication, enterprising, integrity and win-win, perseverance and persistence.

Hebei Xukang Meter Manufacturing Co., Ltd. (Tianjin U-ideal Instrument Co., Ltd. ) is a professional supplier and manufacturer with over two decades of experience.

Shanghai Borui Metal Products Co., Ltd. Located in Jing'an District, Shanghai, offers OEM/ ODM services for fasteners. With over 20 years of experience in the production and export of high-quality standard fasteners, non-standard parts, which are widely used in various fields such as high-speed rail, ships, nuclear power, new energy, mechanical equipment, petrochemicals, military equipment, aerospace, etc. We have provided high-quality fasteners to over 1, 000 customers from more than 200 countries around the world. Main products include standard (German, American, European, Chinese standards) fasteners (bolts, stud bolts, threaded rod, nuts, washers, rivets, screws) and non-standard fasteners. Our raw material includes carbon steel, stainless steel, and alloy steel, as well as special material fasteners for special application scenarios (ultra-high temperature, ultra-low temperature, strong corrosion).

Shandong Lingxuan Trading Co., Ltd is a leading provider of high - quality pumps and mechanical seals, with a strong reputation in the industrial fluid handling sector.

Founded on rich mineral resources, our bentonite manufacturing operation integrates mining, processing, and distribution into a streamlined industrial chain. Leveraging advanced technologies in crushing, drying, grinding, and activation, we produce a diverse range of high-performance bentonite products tailored to meet rigorous industrial standards. With an annual production capacity exceeding 5000 tons and robust infrastructure-including modern production facilities and a dedicated quality assurance laboratory-we ensure consistent quality and supply reliability for clients across the globe.  Our materials play a key role in multiple fields: Efficient drilling fluid formulations, improved bonding performance in metallurgical casting, enhanced particle durability and nutrient transport in animal feed, and as functional additives in chemical processes. We proudly supply customers both domestically and in key international markets such as Southeast Asia, the Middle East, and Europe, delivering tailored solutions that underscore our commitment to innovation, sustainability, and excellence as a trusted industrial partner.

Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe and pipe fittings designing, manufacturing, stocking and exporting in China. As one of the leading manufacturer of steel pipe products in China, Union Steel Industry Co., Ltd are committed to providing one-stop service to customers around the world.

BONNY VALVE is a China valve manufacturer which has been in this field for more than 30 years. In aim of "good faith, quality first", we establish a high quality and professional team to provide valves products with best quality and reasonable prices and satisfied services.

HG Machinery Group Co., Ltd (China HUANGGONG MACHINERY GROUP Co., Ltd) is one of the biggest pump company in China.

Established in 2019, Mikem (Shandong) Biopharmaceutical Science and Technology Co., Ltd. Serves as an international chemical supply chain partner, offering a comprehensive portfolio that spans inorganic and organic chemicals, pigments, catalysts, and active APIs. With a strong focus on reliability and efficiency, the company supports customers across diverse industries, including pharmaceuticals, agriculture, materials science, and fine chemicals.

Zhejiang Bewell Steel Industry Co., Ltd. Was established in 2013. The company is located in Wenzou, China, is closed to Wenzhou Airpot and Wenzhou Port, Bewell is a professional factory of Stainless Steel Pipe/tube, stainless steel welded pipe/tube, stainless steel pipe fitting, stainless steel bar, Coil etc, We specialize in the production of steel pipes/tube, pipe fittings, flanges etc.