Chongqing Longjian Machinery Manufacturing Co., Ltd. is a professional manufacturer specializing in mining machinery and complete sets of stone and sand granulating equipment. Established in 1994 and based in Chongqing, China, the company operates a 3,000-square-meter facility and employs between 301 and 500 personnel, including a dedicated team of 30 junior and senior engineers. The company integrates research and development, manufacturing, sales, and after-sales service, utilizing advanced 3D machinery design and simulation testing systems to ensure product quality.
Their extensive product portfolio consists of 15 major series and over 90 individual products. Key offerings include various crushing solutions such as Jaw Crushers, Cone Crushers, Hammer Crushers, and Impact Crushers, alongside Sand Making Machines, Vibrating Screens, Vibrating Feeders, Sand Washers, and Belt Conveyors. As an OEM-capable manufacturer, the company holds several patents and has maintained ISO 9001:2008 Quality Management System Certification since 2006.
Chongqing Longjian Machinery Manufacturing Co., Ltd. serves both domestic and international markets, with an export footprint spanning Europe, South Asia, West Asia, Africa, and Australia. The company is committed to an international brand strategy focused on technical innovation and quality-oriented service standards.
Mining Equipment Crushing Machine Mining/Mobile/Jaw/Ore Crawler Crusher for Quarry Milling Coal With Casting Mantle Spare Part$237777
PE Portable Quarry Cone Stone Hammer Mining Rock Wood Concrete Mobile Jaw Crusher Machine for Construction Industry$42999
Mining Equipment Grinder Plant Stone Hammer Mining Rock Wood Concrete Mobile Jaw Crusher Machine for Construction Industry$42999
Grinding Machine Limestone Vertical/Jaw/Portable/Stone/Mining Crawler Crusher for Quarry With Casting Spare Part$237777
Klf 300 T/H Portable Jaw Crushing Equipment Rock Machine Crawler Mobile Crusher Removable Carrier for Gold Mining Quarry$237777
300 TPH High Perfomance Multi-Function Crusher/ Sand Making Machine$49000
PE Concrete Construction Hydraulic/Mobile/Stone/Mining Hammer Mining Rock Wood Concrete Mobile Jaw Crusher Machine for Mining$42999
Advance 300TPH Mutit Cylinder Hydraulic Compound Cone Crusher With Casting Mantle Spare Part Bowl Liner$93000
Impact Crusher$39000
100TPH Durable Hard Rock Sand Making Machine With Five-Stage Crushing Chamber$49000
600 T/H Jaw Crusher for Coarse Crushing and Medium Crushing of All Kind of Ores and Rocks$101000
Chongqing Dadong Longteng Automobile&Motorcycle Valve Manufacturing Co., Ltd is a manufacturer and trading company based in Chongqing, China, established in 1993. With a workforce of 1000 employees, the company specializes in the production of valves for vehicles, motorcycles, and general machines, as well as valve spring retainers and valve split collets. They offer a wide range of inlet and exhaust valves, with over 120 types available for gasoline and general machines. The company operates a factory covering approximately 50 acres, equipped with over 500 sets of high-precision machining and testing equipment. Chongqing Dadong Longteng Automobile&Motorcycle Valve Manufacturing Co., Ltd provides OEM and ODM services and holds certifications including ISO 9001 and IATF 16949. Their products are supplied to major automotive and motorcycle groups such as Piaggio, Suzuki, Haojue, Zongshen, Loncin, Lifan, and BMW, and are exported to numerous international markets.
Cg125/Cg150/Cg200 Split Collect and Spring Retainer
70/90/100/110 Motorcycle Engine Valve/Engine Part
Zscg200 Motorcycle Engine Valve/Engine Part
CD70 Motorcycle Engine Valve/Engine Part
Cg150 Motorcycle Engine Valve/Engine Part
462 465 Motorcycle Engine Valve/Engine Part
70 90 100 110 Engine Valve Split Collect and Spring Retainer
CH125 Motorcycle Engine Valve/Engine Part
CB Engine Valve Split Collect and Spring Retainer
Gy6 Motorcycle Engine Valve/Engine Part
Cbf150 Engine Valve Split Collect and Spring Retainer