stop ring4,000+ factories verified

Company Profile

Dongguan Dinglu Electronic Tech Co., Ltd [Ray-Shine Electronic (HK)Co, Ltd ] is a high&new-tech enterprise which already passed ISO: 9001 mainly expertised in PCB multilayer press machine and percision inspection machine researching, manufacturing, selling and technology support, our product are mainly used in PCB, FPC, IC Substrate, semiconductor, our main markets is Asia and European countries, and we have gained good reputation from all our customers.

FORSUN is a manufacturer of Diamond Core Bits, Reaming Shells, Core Barrels, Drill Rods, Casings, other Drilling Accessories and Drilling Rigs which are used mainly in mineral exploration, site investigation, water well construction. FORSUN products are produced according to ISO, DCDMA, CDDA, Metric, and Chinese standards. So far FORSUN products have been exported to more than 50 countries. With qualified and professional staff as well as advanced production technologies and equipment, FORSUN is capable to offer customers both the standard and customized products.

Restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has 18 years manufacturing experience of petroleum machinery products till now, we have competitive prices of our main products of casing accessories like bow spring centralizer, solid rigid centralizer, float equipment, cementing plug etc.

Xi'an Huizhong Machinery Equipment Co., Ltd. is a professional trading company focusing on global supply chain integration and sales of rock drilling equipment and accessories. We are committed to connecting high-quality domestic and foreign rock drilling rigs, rock drills, drilling tools and a full range of accessories production resources, providing efficient and reliable one-stop procurement solutions for customers in the fields of global mining, tunnel engineering, infrastructure and equipment maintenance. With a deep understanding of the rock drilling machinery industry and a wide network of suppliers, we strictly select products with excellent performance and excellent quality to ensure that you can easily obtain key equipment and wearing parts that meet the needs of harsh working conditions at a competitive cost, effectively reducing your procurement complexity and comprehensive operating costs.

Qingdao ChengZhi United Tech Power Engineering Co., Ltd locates in Laoshan, Qingdao, China. We have workshop named Qingdao Chengzhi Power Equipment Co., Ltd which is located in Jiaozhou, Qingdao, China, and also we have maintenance workshop in Chengdu city, China. It covers an area of 2000 m2. Our fixed assets are about 40 million RMB, and we have 32 tons High Speed Balancing Machine (Full set of German Schenck) and 20 tons Low Speed Balancing Machine and other Aux precision equipment.

Our company is a fastener Co., Ltd, which has a history of several decades and produces a lot of screw, bolt, nut, spring, turning parts and other spare parts.

Our company GEOTEC WUXI was established in the year 1989, which is now the leading manufacturer of diamond core drilling equipment and tools in China.

Jiaxing Yheng was founded in 2006, located in the beautiful city of Jiaxing, with, convenient transportation and close to Shanghai and Ningbo ports, the goods are delivered to the port on time every day, after years of export experience, products are exported to More than 100 countries in North America, Europe, South America, Africa, Middle East and Asia. Complete specifications. Employs experienced technical and management personnel. To win warm praise from customers c

Shandong Tongjia International Supply Chain Management Co., Ltd. Was established in 2003. In 2012, the company established its own brand WMDI, and in 2014, Perfect Power Parts Co., Ltd. We are engaged in the sales of heavy-duty trucks and truck parts, mainly covering China National Heavy Duty Truck HOWO series, Shakman, Foton, Jiefang, Dongfeng and other truck brands. From heavy-duty truck parts to complete vehicles and various types of engineering machinery vehicles, we have explored a brand-new foreign trade industry chain. Over the past 20 years, the company has always focused on the country's "Belt and Road" initiative, carefully planned the direction of corporate development, based in China and looking at the world. It has represented, accepted and managed the export business of nearly 100 companies, and its service scope covers Africa, the Middle East, Southeast Asia, South America, Central and Eastern Europe and other countries, providing strong support for the export of goods required for infrastructure construction such as road transportation, hydropower construction, health and sports, and has been widely praised by central and local enterprises such as China Construction and China Railway Corporation.

WJ is a manufacturing-and trading-integrated company located in Wenzhou, China. We are specialized in developing and manufacturing all kinds of fasteners. Our main products include bolts, studs, screws, nuts, shafts, pins, washers, retaining rings, and other categories.

Xingtai Hantai rubber and plastic products Co., Ltd. is located in Xingtai Industrial Zone, Hebei Province. We are an enterprise with more than ten years of experience in specializing in the production of Coal Mine accessories and seals.

Hebei Ritai Original Pipe Co., Ltd. Was founded in 2001, with its pipe production base located in Hebei, China. Currently, it is one of the top three largest PE-Xa pipe manufacturers in China, owning 100 PEXa production lines and 5 PE-Xa oxygen barrier external coating lines. The annual production capacity of PE-Xa pipe is 40 million meters.

Shandong Yacheng Petroleum Technology Co., Ltd. (YCPT) is a supplier of drilling equipment for the oil and gas industry, located in the second largest oil field in China - Shengli Oilfield in Dongying City. We are a subsidiary of Xincheng Petroleum Group, which is established in 2003. We are a first-class supplier in vendor list of CNPC, SINOPEC, and CNOOC, and member of CCOIC, CCPIT and so on.

Dongguan Zhengchen Hardware Co., Ltd. is located in Chang'an Town, Dongguan City, Guangdong Province, a famous manufacturing town in China. Zhengchen Hardware is a collection of various automatic parts production and sales. The products include: Steel ball roller, wave bead screw, ball plunger, positioning universal roller, various positioning plunger and series roller conveying components. Since its establishment in 2002, Dongguan Zhengchen Hardware Co., Ltd. Has been highly praised by people from all walks of life for its quality first and customer-oriented business philosophy. It has now become one of the pioneers in the automation equipment production parts industry in Guangdong Province. Zhengchen Hardware has a complete range of products and reasonable prices. The company has set up independent innovation research and development department, independently researching various wave bead screws, spring plungers, ball plungers, positioning balls, universal roller components and other positioning products. Rich manufacturing experience. Bead screws have precise end face pressure for easy installation and longer spring life by minimizing bushing pin head thickness, which of course reduces spring fatigue and increases its service life. The uniform ball head protrudes from the height, so that the bead screw is a product that is equipped with a spring inside the screw to set the internal bead pin to pre-stress and move up and down. It is the best spare parts for all kinds of machinery exported to Europe, Japan and the United States.

ABT Drilling Equipment Co., Ltd. Mainly provides integrated drilling solutions, serving the mining, stone crushing, and water conservancy drilling industries, helping you solve drilling problems efficiently and at low cost. We mainly provide complete sets of equipment such as mobile air compressors, drills, impactors, drill bits, crushers, water meters, etc., and are your stable and reliable partner.

Shandong Meide Import and Export Co., Ltd., founded in 1997, is located in Liaocheng City, Shandong Province, the largest steel logistics center in North China. It focuses on the production and sales of copper, aluminum, titanium, special steel, mold steel, alloy steel, and general mechanical equipment for steel processing. The product range is mainly extended to five series of plates, strips, tubes, rods and profiles. It has passed the ISO9001: 2000 quality system certification, and its products have passed the SGS, ROSH, TUV and REACH certification. It has cold rolling, hot rolling and other production lines. Such as heat treatment chemical analysis, metal halide detection, physical detection, non-destructive detection and other detection equipment and detection technology, and imported physical and chemical detection equipment full-spectrum direct-reading spectrometer, which can quickly and accurately analyze various metal materials. It is produced according to American ASTM standards, Japanese JIS standards, German DIN standards, British BS standards and other standards. At the same time, we can customize and develop new products according to the actual application of customers, and provide products according to different cost and performance requirements. The company has cooperative relations with more than 20 well-known steel mills in China and is the sales and export agent of famous local steel mills in Shandong Province. With rich and professional marketing experience of steel products, our company has become a reliable bridge between overseas customers and domestic steel mills. We are committed to strict quality control and considerate customer service, adhere to quality first, fast delivery, and our experienced staff can communicate with you at any time to ensure full customer satisfaction. We also welcome OEM and ODM orders. You can discuss your purchase requirements for the current product with our customer service center, or provide customized help for your application. It has established modern large outdoor warehouse and indoor warehouse, with 20000 tons of goods in stock. Its customer base covers all provinces and cities in the country, and has more than 100 long-term stable cooperative customers. We sincerely welcome friends from all over the world to visit our company. We look forward to establishing business relations and personal friendship with you.

Hubei Lianmao Technology Co., Ltd. is a professional manufacturer and exporter dedicated to providing complete bearing and motion solutions, including steel balls, bearings, power transmission components, and lubrication systems. With more than 15 years of industry experience, we have built a solid reputation for stable quality, technical expertise, and reliable service.

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).

Chengdu Unik Machinery is a factory specialized in Mechanical Power Transmission Components, located in Meishan, Southwest China. It is founded in 2014; All the key team members have been toiled in industry for about 15-20 years. The company has CNC Machine Center, Linear Cutting Machine, NC lathing machine, Hobbing Machine, Keyway Broacher, Sawing and drilling machine. We perform a three-step quality test, First piece inspection, In-process checking, Final inspection. Our target clients is companies in this industry with leading technology, quality and manamement. Our target market is developed countries and regions.

Xiamen Flying Silicone Rubber Co; Ltd is a leading professional manufacturer for silicone & rubber and LSR parts according to 2D & 3D design drawings, samples for more than 15 years, which will make you to turn your ideas into reality.

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.

Suzhou Weipeng Precision Machinery Co., Ltd. is located in Suzhou, which is a foreign trade oriented economic developed city, adjacent to international port city Shanghai. Established in 2009, we're a manufacturing company specialized in the production of piston rod and linear shaft in various specifications, which is widely used in automation and cylinder. We also produce stainless steel grinding bar in the material SUS304 and SUS303.

Since 2007, Quanzhou Shengda Rubber Products Co., Ltd l has been a manufacturer in sealing solutions. We specialize in manufacturing standard and custom o-rings, seals, gaskets, molded rubber products, and more, using a variety of elastomers. Since its establishment, our company has taken scientific and technological innovation as the development momentum of the enterprise. Through continuous introduction of advanced technologies at home and abroad and a set of rigorous management mode, its products are exported to many countries and regions at home and abroad, and become a long-term strategic partner for domestic and foreign merchants. Our range of products includes Rubber expansion nuts, O-Rings, Rubber mount, custom molded rubber gaskets and rubber washer and so on. Our o rings include AS568 series, JIS standard, ISO standard and Non-standard, more than 4000 sizes are available. Our main market is Nort America, Europe and Southeast Asia.

Jinshi Drilltech Co., Ltd. Was founded on November 11, 1996, and listed on the New OTC (Jinshi Drilltech 873131) in January 2019, with a registered capital of 53 million RMB, an area of 50, 000 square meters, 330 employees worldwide, and is a high-tech enterprise integrating R&D, production and sales of diamond core drilling tools, total drilling solutions and drilling construction. The company Jinshi is one of the drafters of the national standard of "Geological Core Drilling Tools", award winner of the second prize of National Science and Technology Progress in China and a key "Little Giant" enterprise with the advantages of specialization, refinement, specialization and novelty at the national level. Geological core drilling tools are the national single champion products.

    Jinan Zhixing Tianxia Automotive Parts Co., Ltd.  has been engaged in the truck and construction machinery parts industry, committed to building the most professional parts sevice team at home and abroad. Our company is the Official Authority Central Warehouse of Weichai, SINOTRUK, Fast Transmission, Shacman, Hande Axle, Mining truck parts and Construction machinery and accessories.  

Shandong Lianwo Heavy Truck Parts Co., Ltd. Was established in 2010 and specializes in producing mining vehicle parts. In addition to producing a portion ourselves, our company also acts as an agent for accessories from various brands of mining parts, and we have a large amount of stock in our warehouse.

FJ Industries (Ningbo) Machinery Co., Ltd. is a 100% Danish-owned enterprise that has been rooted in China since 2007. FJ Industries is a Danish privately owned company established in 1943. We have manufactured casted and machined metal components since 2006 and powder metal products since 1985. We have customers from all around the world, which all have high requirements for quality, precision and uniformity. We tailor make the solution for each individual project, and due to efficient processes, we can deliver both small and medium size series at competitive prices. Besides our headquarters in Denmark, our organization consists of production units in Sweden and China. Our three manufacturing locations produce components for industrial segments like care, pumps, robots, intelligent buildings and automotive. All three locations are IATF 16949 certified.  European quality, Chinese price. One-stop Solution for Metal PartsHelp clients choose cost-effective processes. Production site: China/DenmarkCore Strengths 1. Quality & Cost     Full Supply Chain Control: We own and operate a 100% in-house machining facility in Ningbo, collaborating only with audited, trusted suppliers for raw castings. Raw materials undergo strict pre-processing testing, and finished products are re-inspected (via Zeiss Accura 2 CMM, 100% automatic thread checkers, 100% leakage testers, and in-house material lab) before shipment-ensuring consistent European-quality output.      Lean Production: Our engineering team co-develops optimal serial production setups, aligning with automotive industry standards (TFC, APQP, PPAP) to balance high process capability and cost efficiency.  2.  Comprehensive One-Stop Solution for metal parts    Our "one-stop solution" combines six core manufacturing processes with proactive pre-project design optimization for customers,  supporting the shortening of the entire component development and production cycle.      Sand Casting: Offers both automatic casting lines (for high-volume, consistent production of ductile iron-including SiMo grades-and grey cast iron parts) and manual casting lines (for small-batch, custom-shaped components), ensuring flexibility for different order scales.       Precision Casting (Investment/Lost Wax Casting): Specializes in complex, near-net-shape parts with minimal material waste, supporting both ferritic and austenitic stainless steel grades.       Forging: Provides forged components for high-strength applications especially for stainless steel material, leveraging trusted local forging partners audited to our European quality standards.       Cold Drawing (Stainless Steel): Delivers cold-drawn stainless steel parts (e. g., fuel rail brackets) with tight dimensional tolerance and smooth surface finish, ideal for components requiring high accuracy.       CNC Machining: Our Ningbo facility houses 35 CNC 4-axis machining centers, 34 CNC turning machines-handling medium-to-high-volume machining of steel, stainless steel, and cast iron parts to meet tight precision requirements.       Powder Metallurgy: Supplies powder metallurgy components (e. g., small, complex structural parts) for weight-sensitive or high-wear applications, complementing our casting and machining capabilities. 3. Reliable Delivery      Dual-Location Support: For European customers, finished products are shipped via our Denmark warehouse (ensuring short lead times); Domestic customers benefit from direct Ningbo-based support for fast responsiveness to design changes or new requests. 4. Material Range (per DIN Standards)      We produce components for automotive and industrial sectors using: Austenitic stainless steel: 1.4301, 1.4308, 1.4401, 1.4848Ferritic stainless steel: 1.4016, 1.4509, 1.4512, 1.4526Carbon steel: S235JR, S355J2, etc. Alloy steel: 20Mn, 42CrMo, EtcIron: Grey iron, Ductile iron, SiMo grades, ADI. 5. IATF 16949 certification / ISO 9001 / 14001 

Qingdao Dawson Industries Ltd. Is DAWSON GROUP's ubsidiary company.

Hunan Yi Sichuang Information Technology Co., Ltd.