Ningbo Bosheng Plumbing Co, Ltd. (Bs&BK) owns many machines in order to produce well qualified products. The company has the following machine:

● X-rays fluorescence machine：which is used to test the metal content in order to ensure the products are qualified with the national standard.

● Three coordinates measuring machine: It is adapted with Croma IDC-I system and can precisely control the tolerance.

● Los type hardness tester: It is applied in testing the finished or semi-finished products' hardness.

● Seal hardness tester: It is used to test the hardness of seal in order to ensure the seal’s hardness.