Verified Supplier
1 Years
Beijing Haohui Weiye Petrochemical Co., Ltd
Beijing Haohui Weiye Petrochemical Co., Ltd
Manufacturer from China
Beijing Haohui Weiye Petrochemical Co., Ltd
Beijing Haohui Weiye Petrochemical Co., Ltd
First, we are picking and testing samples from every step through the whole production lines, and there are several different inspectors to test the samples to guarantee the correct data.
Second, we have our own Q&C center to pick up and keep the samples from every batch in order to trace the quality when our clients have questions.
Third, the third part can be also acceptable for choosing.
