CHANGLONGSHENG is a private owned company based at Shenzhen, with the history of 17 years. Since we are professional manufacturer with some senior industrial design engineers, also collaborated with Wuhan University of Technology as a study and research site, we have strong R&D team who can customed design as per your requirement.
Company’s products are listed as follows: wire wound potentionmeter, heating ring, convection heaters, heating elements, water bottle rack, electric heating coil, etc. Besides, majority of our product are patented and exported to Europe, North America, Middle East, Israel, Japan, and Russia.
FAQ
1.Are you manufacturer or trading company?
We are professional factory specialized in making potentionmeter, brand R&L.
2. Will you offer free sample?
No. however, if you place order, sample fee will be part of the order payment.
3. Can you make as per to me requirements?
Yes, customized design and making are acceptable. Just let us know your requirement, better to show us the drawing, picture and relevant figures.
4. How much is the freight charge would be?
The freight cost depends on the weight and packaging size and where to deliver.
5. When can I expect to get your sample?
The sample will be ready for delivery in 1-2days and should arrive in about 5-7 days.
