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{"title":"Heavy-Duty Excavator Bottom Roller 9168173 with Impact Resistance and 50MnB Alloy Steel for Excavator Track Roller","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/ec\/c3aa7d8fd61b4f58942c339da38c-200x200-1\/heavy_duty_excavator_bottom_roller_9168173_with_impact_resistance_and_50mnb_alloy_steel_for_excavator_track_roller.jpg","attrs":{"Delivery Time":"3-5 days","Main Material":"50MnB Alloy Steel","Model Number":"9168173","Part No.":"9168173"}}
{"title":"M18x50 Track Bolt Bulldozer Components High Tensile Strength And Heavy Duty Fastening","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/30\/92f105edb96c41b0791e44484059-200x200-1\/m18x50_track_bolt_bulldozer_components_high_tensile_strength_and_heavy_duty_fastening.jpg","attrs":{"Certification":"CE\u3001CNAS\u3001COC\u3001SGS\u3001ISO","Strength Grade":"12.9 Grade","Model Number":"M18x50mm","Alternative Material":"35CrMo Alloy Steel"}}
{"title":"High Load Bearing Capacity Track Roller and Superior Wear Resistance Bottom Roller with Double Flange for Excavator Undercarriage Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/ce\/4d\/68ab77f5b8937996f5919a00a515-200x200-1\/high_load_bearing_capacity_track_roller_and_superior_wear_resistance_bottom_roller_with_double_flange_for_excavator_undercarriage_.jpg","attrs":{"Supply Ability":"1500 MT\/month","Manufacturing Process":"Casting + Full Heat Treatment","Radial Load Distribution":"Balanced Load Transfer Performance","Model Number":"9168173"}}
{"title":"STST PARTS High Strength and High Wear Resistant D4D Track Roller CAT Bulldozer Undercarriage Parts 124-8240","imgUrl":"https:\/\/img.chinax.com\/nimg\/1c\/3d\/d6b29fb2430e9fdc2445fee50543-200x200-1\/stst_parts_high_strength_and_high_wear_resistant_d4d_track_roller_cat_bulldozer_undercarriage_parts_124_8240.jpg","attrs":{"Supply Ability":"1500 MT\/month","Material":"High-Strength Alloy Steel","Thermal Stability Under Continuous Load":"Heat-treated components are designed to maintain mechanical performance during prolonged heavy-duty operation.","Model Number":"D4D"}}
{"title":"D50 Segment Group For Komatsu D50A\/D50P\/D50S\/D53A\/D53P Bulldozer Sprocket","imgUrl":"https:\/\/img.chinax.com\/nimg\/05\/79\/2e9f21ebbbfed9d98fbfa910d59a-200x200-1\/d50_segment_group_for_komatsu_d50a_2fd50p_2fd50s_2fd53a_2fd53p_bulldozer_sprocket.jpg","attrs":{"Minimum Order Quantity":"2","Supply Ability":"1500 MT\/month","Color":"Black, Yellow or Customized","Packaging Details":"Export pallet packing"}}
{"title":"ZL360 RX300 Excavator Idlers For HYUNDAI High Strength And Load Capacity Mine Grade Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/53\/e3\/19e56b21232f3e486d667672eba7-200x200-1\/zl360_rx300_excavator_idlers_for_hyundai_high_strength_and_load_capacity_mine_grade_parts.jpg","attrs":{"Place of Origin":"Fujian China","Payment Terms":"T\/T,L\/C","Minimum Order Quantity":"2","Material":"50Mn \/ 40Mn2"}}
{"title":"M25.4x102mm Track Shoe Bolt And Nut Undercarriage Bolts And Nuts Hot Forging","imgUrl":"https:\/\/img.chinax.com\/nimg\/91\/40\/a0d7f6112fe90ee373cd90a0bbf1-200x200-1\/m25_4x102mm_track_shoe_bolt_and_nut_undercarriage_bolts_and_nuts_hot_forging.jpg","attrs":{"Certification":"CE\u3001CNAS\u3001COC\u3001SGS\u3001ISO","Optional Material":"35CrMo Alloy Steel","Model Number":"M25.4x102mm","Thread Type":"Metric Coarse Thread"}}
Bulldozer & Excavator Undercarriage Prats Professional Suppliers in China
Our Team:
Quanzhou STST Undercarriage Parts Factory boasts a professional team covering production, R&D and international trade. All frontline production workers have over 5 years of industry working experience. Our R&D department includes 2 Japanese designers and 5 engineers with professional design experience from original equipment manufacturers.
Our foreign trade staff are proficient in English, Japanese, Spanish, Russian and Thai. We offer 24-hour global service, delivering accurate quotations and timely after-sales support to customers worldwide.
History:
STST Machinery Factory which was founded in 2006 has specialized in undercarriage parts for construction machinery from the very beginning. Our core mission is supplying premium spare parts for excavators, bulldozers, motor graders and agricultural machinery to customers worldwide, enabling Chinese manufacturing to become a vital force in the global construction machinery industry.
From our early days, we have enforced stringent quality control and invested heavily in development, focusing on undercarriage components including track rollers, idlers, sprocket, carrier rollers and track chain assemblies. Through years of dedicated development, our products are now exported to 53 countries and regions.
We have built a comprehensive export supply chain system, established overseas offices in Nigeria, Brazil, Thailand, Russia and Egypt to serve local markets, and assembled professional foreign trade and marketing teams. With integrated domestic and overseas operations, we keep steadily expanding our footprint in the global construction machinery spare parts market.
Service:
We provide one-stop service for construction machinery undercarriage spare parts. Our multilingual team is available around the clock to answer inquiries, confirm part specifications and offer prompt accurate quotations.
We handle in-house production, strict quality inspection, logistics arrangement and export procedures. Besides, we offer order tracking, technical guidance and after-sales support to deliver reliable purchasing experience for global customers.
Factory Information
Market name:
North America,South America,Western Europe,Eastern Europe,Eastern Asia,Southeast Asia,Middle East,Africa,Worldwide
