All the products from Hangzhou Beidouxing Membrane Products Co., Ltd. (also Beidouxing) have been tested and each of them has correspondent original test data to ensure its quality before delivery. 3 years of quality guarantee and relevant after sales services are provided to solve the problem during usage.
Tech Service:
Providing solution and design consultation to project;
Providing technical support to system debugging on site and change
membranes;
Diagnosing of system and testing of membrane.
Quality guarantee:
Quality guarantee for three years;
100% testing before delivery;
Response within 24 hous if there’s any quality problems;
Free exchange of products if the quality problem been confirmed.
