• Material of frame: Double punching chrome frame, please pay attention to dry if dipped in water, so it is not easy to rust.
• Material of screen: 304 stainless steel mesh, uniform pore size precision.
• Outer diameter: About 21 cm
• Inner diameter: 20 cm
• Total height: About 4.5 cm
• Inner height: About 4 cm
• Aperture: From 0.074mm to 1.6mm, as the follow picture shows.
• Mesh: From 200 mesh to 12 mesh. If you want other size, please contact us to get price.
• Sieve frame is made by one molding with machine, the border is round and smooth, no burr, strong and beautiful. Inner edge and back all use of seamless blanking technology, screen tight collapse without leakage material. Mesh meets national standards.

 Q: Are your company a trading one or a factory?

A: Factory+ trade (integration), More than 10 years focusing on test instruments field.

Q: After an order is placed, when to deliver?

A: Generally about 10-25days, If we have inventory, we can arrange shipment within 3 days Please be aware that our production lead times depend on specific items and item quantities.

Q: What about the warranty with after-sales services?

A: The testing machine is guaranteed for 12 months by gaotiejian, we can help you to repair your problem con troller freely, even it's not from our factory. After the warranty, the professional after-sale service team will provide perfect technical support and help guests solve problems encountered while using our product, handles guest problems and complaints in a professional and timely.

Q: What about the product' services and qualit?

A: Each instruments must be carried out 100% quality examination and test when shipping and delivery goods Product use training, each of our product provide video training to show you how to install operate We can arrange engineer to train the operation of equipment to customer s company when you need. products are widely recognized and trusted by users.