Adjustable Height 304/316L Stainless Steel Sight Glass

We are a manufacturing factory.

FDA is very important for the food processing machines.

Yes, our company is very pleased to send to you free sample for quality test as long as freight cost being paid by buyers themselves.

For small testing orders, we accept Paypal, Western Union, T/T and credit Card. For mass orders, we accept T/T and L/C.

Quality control is very important to avoid material mixing and poor quality. We control the quality from beginning to the end. We only have 304 and 316L two different materials. 100% inspection on raw material. During production, different materials in different place. After materials are finished, we choose 10% for inspection. If there is 0.1% problem in 10%, then no excuse to go ahead for inspecting 100% of the materials.