White zinc/ color zinc/ blue zinc/Nickel/chromium/copper/ Silver/Gold plating; Teflon,Dacromet, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, rust preventive oil, titanium alloy galvanized, plastic, electroplating, anodizing etc.
Salt Spray Test;Coating thickness test;Abrasion test;Fatigue test
Special high fatigue spring
Precision low tolerance spring
wire forming spring&Specially shaped spring
mold spring/die spring
Make samples according to technical drawings or customer requirements
Check dimensions, hardness, strength and, if necessary, further modification.
In the production process, carry out regular spot check. In order to guarantee the stable quality of the product
Some products require heat treatment to increase hardness and relieve stress
Different surface treatment according to customer's requirements such as anti-rust, beauty, etc.
For high-precision products, carry out optical inspection to pick out defective products
How TO Order
For custom products, please refer to the following steps to purchase.
lease send drawings or samples detailing all dimensions and specifications. You can refer to the Product Description
If you do not have detailed specifications, you can also provide any related requirements and contact us directly by email or Skype.
We will reply you within 24 hours, including price, material, process specification, lead time ;sample lead time;trade terms, etc.
Discuss & Reach Agreement.
IF you have any questions,we can discuss it to find a better way to solve the problem. In the hope that we can finally reach an agreement
we produce samples and send them to you for confirmation or improvement.
If you think the sample is all right, then place your order and pay a 30% deposit
we do mass production and keep in touch with you.
When the goods is done, we deliver the goods as your request and You pay us the balance
We follow up the after-sales services, any defectives will be refunded based on technical reports.
Q: Are you trading company or manufacturer ?
A: Yes, we're manufacturer in China , located in Dongguan. we provide a factory price and your visit is welcome.
Q:How can I visit your factory?
A: Pls kindly let us know in advance if you planing to visit. we can show you the way or pick you up at the station or airport
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD. 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us as below:
Q:Can You Strictly Follow The Tolerance on Drawing & Meet The High Precision? A:According to the different product size and manufacturing process, there will be different tolerances.We can produce with the smallest tolerances in the industry