Wenzhou lianggong forging co.,ltd. is located in Wenzhou city of China. The factory was founded in 1985 and is a certified ISO9001:2015 manufacturer, specializing in forging and machining parts. The products are mainly used in construction machinery, agricultural machinery, forestry machinery, vehicle and motorcycle, high-speed railway, industrial valve, etc. We could also develop new products according to customer's specific requirements.
We have a mature production process from raw materials to forging, heat treatment, machining, surface treatment, etc. The materials include carbon steel, alloy steel, stainless steel, aluminum and cooper. The main forging press includes 300T, 400T, 630T, 1000T, 1600T and 2500T, which covers product weight from 0.1kg to 100kg. The main machining equipment includes lathe, planer, drilling machine, tapping machine, line cutting, milling machine, CNC machining center, polishing machine etc., ensuring that we can fulfill different machining requirements from our customers.
We have an individual team of well experienced QC staff and many high-educated technical engineers who work throughout the whole manufacturing processes i. e., incoming raw materials, production, and final output, to ensure that our products are of high-quality. The main inspection equipment includes chemical analyzer, hardness tester, tensile-strength tester, magnetic powder flaw detector, metallographic analyzer, etc.
High quality products, reasonable price, prompt delivery, and superior service ensure marketing competitiveness. Our factory has earned high reputation from customers of home and abroad. We are looking forward to cooperating with you to forge a better future!
| 1. Product Application Fields |
Construction Machinery
Agriculture Machinery
Mining Equipment
High-Speed Rail
Automobile Industry
Petrochemical
Energy
Shipbuilding
General Machinery |
| 2. Research and Development |
CAD Software
3D Solid Modeling
DEFORM Simulation Software |
| 3. Material |
Carbon Steel
Alloy Steel
Stainless Steel
Aluminum |
| 4. Heating Equipment |
| Electric Intermediate Frequency Furnace |
| 5. Forging Equipment |
2500Ton Double Disc Friction Press
1600Ton Double Disc Friction Press
1000Ton Double Disc Friction Press
630Ton Double Disc Friction Press
400Ton Double Disc Friction Press
Sawing Machine
Shot Blasting Machine
Air Hammer
Punch |
| 6. Forging Weight Range |
| 0.05kg-100kg |
| 7. Heat Treatment Equipment |
Electric heating furnaces with precise computerized
temperature control to achieve desired hardness and
mechanical properties.
Water/Oil/Polymer quenching pool with mechanical
Propeller agitation.
Induction/Flame hardening equipment. |
| 8. Machining Equipment |
CNC Center
CNC Milling Machine
CNC Drilling Machine
CNC Lathe
Grinding Machine
Wire Cutting Machine
Electric Pulse Machine
EDM |
| 9.Inspection Equipment |
Direct-Reading Spectrometer
Hydraulic Universal Testing Machine
Rockwell Hardness Tester
Brinell Hardness Tester
Vickers Hardness Tester
Metallographic Analyzer
Magnetic Particle Tester
Ultrasonic Tester
CMM
Infrared Thermometer |
| 10.Certification of Quality Management System |
ISO9001:2008
ISO/TS16949 |
FAQ:
1. Are you a genuine manufacturer?Yes, all products showed in our website are produced in our ISO9001:2015 certified factory; We are also a company registered by China Customs with the right to export and import.
2. I want to keep our design in confidence; can we sign NDA?Sure, to protect customers' profit is our obligatory responsibility, signed NDA would be valid to both of us..
3. What should I offer to get your quotation?Please offer us your detailed information for the product, such as drawings with 2D/3D by software Pro/E, Auto CAD, SolidWorks, UG etc; as well as materials, surface treatment, quantity, package. Any special requirements should be highlighted especially for tolerance.
4.How long does it take to receive samples?
20 working days,the lead time is the general production period and does not include the transportation time.
we can supply free samples with less quantity,but customers need to pay shipping cost.
5.How long is the manufacturing lead time?
Mass Production:30-45 working days after sample approval by yours.The lead time is the general production period without the transportation time.
We could make some special production arrangement effectively if customer has urgent need.
6.How long does it take to ship goods from China by sea?
It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks.It takes about 2 weeks to east coast and 3 weeks to west coast US ports.All sea goods are shipped from Ningbo Port.
7.How long does it take to ship goods from China by air?
It takes about 7 days to all major destinations.
8.What are the payment terms?
Payment terms are negotiable and will improve for long term customers.During the initial stages, we request 50% of tooling fee in advance with the balance payable on acceptance of samples.Production orders can be negotiable.We prefer 30% deposit and the balance by T/T before sails.But sometimes T/T15 days after sails would also acceptable.
9.New product development process
Got tooling order and sample order with 50% deposit---Hold a meeting with the relation dept.To ensure the developing schedule---Design mould, fixture and gauge and making them in our factory---mould.fixture and gauge making---producing samples---approved from customer-purchasing material-forging-heat treatment-shot blasting-machining-Inspection-package---delievry
10.Which countries do you export to?
Now mainly export to U.S.A, Germany, France, Italy, UK, Brazil, Swedish, Japan, Korea, Middle east of Asia, Thailand and so on.
11.Can we visit the factory to conduct an audit?
Yes, you are welcome to visit our factory.
12.How to handle the complains?
--If happen any complaints after delivery,please just show us photos and detail compliants points, we will check with the production department and QC department Immediately and give you best solving solution which agreed by both of us,moreover we will bear all the cost (including shipping cost).
All parts are made according to customer's drawings or samples.If you have any parts to be made, please feel free to send your kind drawings/samples to us.Technical drawings including material mark, Product weight, Purchase quantity.The comprehensive information will help us quickly calculate the accurate and reasonable price for you.
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