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Product profile
Customization
AvailableFlange
With FlangeNut Number
SingleModel NO.
SFA4020Nut Type
End CapPrecision
C7Rows Number
4-RowScrew Diameter
31-40mmType
Inner LoopProduct Name
C7 Precision Ball ScrewBall Screw Shaft Dia
40mmBall Scrw Shaft Pitch
20mmStructure
Ball Screw+Nut+Steel BallFeature
SmoothlyApplication
Automatic MachineryProcess Type
Rolled Thread Ballscrew C7End Machinized
Customized or Bk/Bf30Length
100mm to 6000mmEnd Support
Bk/Bf30Nut Housing
DSG40Coupling
Jm2-65couplingInterchanged
Interchanged Into Tbi Ball Screw PartsQuatity
High Tolerance Quality C5, C7Stock
Very PlentyTransport Package
PVC Bag, Wooden Box, Export Standard PackingSpecification
SFA4020Trademark
ERSKOrigin
ZhejiangProduction Capacity
15000Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 17 Years CertifiedNearest Port: Ningbo Port , Shanghai PortAverage Response Time: ≤1.83h
AI-Powered supplier vetting
SummaryLishui Wangong Precision Machinery Co., Ltd. is a limited company founded in 2008, with 98 employees and operations covering R&D, manufacturing, sales, and service. It manufactures precision transmission components, including linear shafts, ball screws, linear guides, cylinder rails, linear bearings, and roller linear rails. The supplier demonstrates documented service procedures, complaint handling, corrective and preventive actions, export licensing, OEM/ODM capability, and customization from samples and designs. Production infrastructure includes lathing, CNC machining, milling, and ultrasonic cleaning facilities, with documented finished-product inspection instructions. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas service coverage. Financial capacity is referenced for 2022–2024, but no financial performance details are provided. A BV audit is recorded with validity from April 16, 2025 to April 15, 2026, but the audit result is listed as 0...
Supplier typeThe supplier is identified as Lishui Wangong Precision Machinery Co., Ltd., a limited company founded in 2008. It is described as a combined business integrating R&D, production, sales, and service, and is not an offshore company or part of a larger company group.
After-Sales capabilityThe supplier has documented procedures and followed records for service capability assessment, corrective and preventive actions, and effective customer complaint handling. However, it has no overseas warehouse, showroom, agent, or branch, and reports service coverage in zero countries; therefore, its formal service processes are evidenced, while overseas after-sales reach is limited.
R&D capabilityThe supplier states that it has R&D capability, introduced new products during the past year, and provides ODM services. It can customize from samples and designs, but it explicitly has no available SDK; the available evidence supports product development capability but not a broader technology-platform capability.
Production capacityThe supplier manufactures multiple precision transmission components and operates lathing, CNC machining, milling, and ultrasonic cleaning facilities. It also has uniformly followed finished-product inspection instructions, but no quantitative productivity figures are provided and the audit evaluation result is recorded as 0, so overall production strength cannot be fully confirmed.
Customization capabilityThe supplier explicitly offers customization from samples and from customer designs, and also provides ODM services. These statements directly demonstrate both design-based customization and original design manufacturing capability.
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