Heavy-Duty Seals, Ignition Switches & Wear Spares.
Direct Factory Price. Zero Markup.
Engineered for hydraulic repair shops, equipment rental fleets, and machinery dealers. NOK-grade boom/arm/bucket seal kits, 50-piece universal master equipment key sets, and high-pressure sensors with verified caliper dimensional accuracy.
4K Workshop Product Assembly & Excavator Hydraulic Cylinder Breakdown
📌 拍摄/生成规范: 展示挖掘机油缸全套密封圈（NOK品质丁腈/氟胶）、万能钥匙组、数显游标卡尺实测及重型机械零件高光质感图。
Fast-Moving Consumables & Spares
4 High-Demand Excavator Product Pillars
High profit density, low return rate, weekly consumable demand worldwide.
Hydraulic Cylinder Seal Repair Kits
📌 拍摄/生成规范: 动臂/斗杆/铲斗油缸密封圈套装特写，包含主油封、防尘圈、耐磨环、缓冲环及标签卡。
Hydraulic Cylinder Seal Kits
Boom, arm, bucket, main pump, center swivel joint, and travel motor seal kits for Komatsu, CAT, Kubota, Yanmar.
NOK/Parker Grade • Max 40MPaMaster Ignition Keys & Switches
📌 拍摄/生成规范: 10/24/50把万能工程机械钥匙成套实物排布，带钢印编号与激光刻字点火开关总成。
Master Key Sets & Ignition Switches
10/24/50-pc universal master key sets, OEM starter key switches with wire harnesses, battery isolator disconnects.
Laser-Stamped • Universal FitSensors & Solenoid Valves
📌 拍摄/生成规范: 高压/低压压力传感器实物，带黄铜镀层与防水线束插头，展示螺纹规测量过程。
Pressure Sensors & Solenoids
High/low pressure transducers, proportional solenoid valves, revolution speed sensors, engine temperature switches.
100% Voltage & Pressure TestedBucket Teeth, Pins & Bushings
📌 拍摄/生成规范: 高耐磨合金钢铲斗斗齿、齿销、高频淬火销轴及垫片，展示耐磨硬度检测。
Bucket Teeth, Pins & Bushings
Alloy steel forged bucket teeth, adapter teeth, hardened pins & bushings, track adjuster recoil springs, grease valves.
HRC 48–52 Forged SteelLooking for a Part by OEM Number or Excavator Model?
We support instant cross-referencing for Komatsu, Caterpillar, Kubota, Yanmar, Kobelco, Hitachi, Sany, and Hyundai parts.
100% In-House Vernier Caliper & Thread Dimension QC
In mechanical equipment repair, a 0.5mm deviation means an oil leak or a stripped hydraulic cylinder rod. Before dispatch, every batch of seal kits and sensor threads is verified with Mitutoyo digital calipers and thread plug gauges under ChinaSourceDM's strict on-site inspection protocol.
Mitutoyo Digital Caliper Measurement of Hydraulic Seal Ring Cross-Section
📌 拍摄/生成规范: 数显游标卡尺正在对挖掘机主油封的内径/外径/唇口厚度进行精准实测，屏幕显示高精度数值，背景为质检打分表。
Fast RFQ Desk
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