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Quality Commitment

Seller will replace without charge or refund the purchase price of products provided by Seller which prove to be defective in material or workmanship, provided in each case that the product is properly installed and is used in the service for which Seller recommends it and that written claim, specifying the alleged defect, is presented to the Seller within 18 months from the date of shipment or 12 months after installation, whichever occurs first. Seller shall in no event bear any labor, equipment, engineering or other costs incurred in connection with repair of replacement. The warranty stated in this paragraph is in lieu of all other warranties, either expressed or implied. With respect to warranties, this paragraph states Buyer’s exclusive remedy and seller’s exclusive liability.
At present, Welco technical research center utilizes the most advanced computer technology to improve the existing products and develop the new lines, this includes a highly educated and trained engineering team and a comprehensive internal computer network which links the entire operations of design, manufacturing and administration.
Welco design philosophy is to develop a safety and cost-efficient valve, we introduced the latest AUTO CAD software for all our new product design research which include the advanced finite element analysis to virtually verify the new design prior to production, this has resulted in dramatically reducing the new product design time and ensure a safety and cost efficient final product.
Welco employees are all involved in our commitment to offer products and services that satisfy our customer’s needs and meet their expectations.
Welco technical personnel are always ready to offer technical service and support for all of its distributors, agents and end users.
It is our objective to achieve customer satisfaction by preventing product nonconformity and to always deliver a quality product on time at a competitive price.


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Address: Sanqiao Industrial Zone, Oubei, Wenzhou City, Zhejiang Province, P.R. China. Postal Code: 325105
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