return spring accessories applicable for various locks

Specifications return spring accessories applicable for various locks

1.material:stainless steel304 etc

2.ISO9001

3.technics:stamping

4.OEM

return spring accessories applicable for various locks Specification: material:stainless steel304 65Mn etc
ISO9001:2000
technics:stamping packing: plastic bags in wooden cases or as ordered Inspection: 1. First of all the whole quality control management has been carried out during the entire process of manufacture with the assistance of computer and other numerical control equipment, which includes the raw material, production process control, final product quality control. 2. Third party inspection available upon requirement. Our many Main Export Market: 1. There are more than 50 customers all over the world. 2. Exported to U.S.A, U.K, Germany, Italy, Japan, Swiss, Australia, Korea, and South-east Asia. All of products are manufactured in accordance with the U.S, Japan and Germany standards. Ours target: To supply at a competitive and reasonable price, acceptable and stable quality, circumspect and satisfactory service. Punctual delivery time. Ours Competitive Advantages: 1. Stable process; 2. Disciplined peoples and operation; 3. The best product features; 4. Product performance; 5. Advanced machining and inspecting equipment; 6. Prompt Delivery; 7. Quality control system; 8. Service; Just feel free to send us the drawings with material, dimension, weight, quantity.  And then we will reply to you within one day and the quotation will be passed on your requirements ASAP.    Production Procedure Drawings→Mould developing→Raw casting→Sandblasting----Rough machining or finish machining→Surface treatment→Inspection→Packing→Delivery strictly

Baoding huanyu machinery manufacturing co.,ltd.
OEM SERVICES
Service	Drawings or samples processing/OEM/ODM service provided
Produce Process	Drawings→ mould making →raw casting → sandblasting →rough machining or finish machining →surface treatment →product checking→ packing →delivering
Casting Material	Cast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Aluminum, Aluminum alloy etc.
Standard	ISO, GB, ASTM, DIN, JIS
Equipment	melting furnace, centrifugal casting machines coated sand casting machine CNC machines turning machines grinding machines milling machines drilling machine punching machines laser carving machine
Surface treatment	Heat treatment, Polishing, Sand blasting, Painting, Electro-plating, Chemical Plating,  and other machining processing.
Inspection Equipments	Spectrum analysis instrument, Metallurgical analysis, Tensile strength tester, Hardness tester, Roughness tester, deflection tester, Impact test machine, Projector, Altimeter, Scale Micrometer, pressure tester, etc.
Delivery	Sample sent to customer by air. Large quantity products delivered to customer by sea from xingang,China
Payment terms	L/C at sight or 30% T/T as deposit and balanced 70% to pay before shippment