Material: High tensile steel 65Mn steel 30Mn steel Stainless steel Specification: Aperture Wire Diameter Type 5X5 2 Hook or Flat 8X8 3 10X10 3 15X15 3.6 18X18 5 20X20 5 40X40 6 Application: Heavy duty hook steel screen are specially designed for extremely rugged operations for grading, sizing, processing and supporting heavy abrasive materials such as ores, crushed stone, sand, gravel, metallic&non-metallic minerals, coal slag and various solid and powder formed organic and inorganic chemicals Quality control： 1. SGS certificated factory and ISO 9001:2008. Insure the product with high quality and reasonable price. 2. More than 7 years of production and installation experience. Make sure your project is high quality. our Service: 1. Sample service Sample service is available for our company. And sample time is about 5- 7 days. 2. Customized service Customized service is also available for us. We can customize products according to your requirements. 3. After-sales service Our after-sales service start immediately after signing the contract. 1. No matter FOB or CIF the price term is we would try our best to find a lowest freight cost for customers' reference. 2. The third-party inspection always gets real and true data from us and we will send production photos to customers if there is no inspection. 3. Do our best to help customer arrange the shipment and customs clearance. 4. Installation, maintenance and repair instructions with full information. 5.3-15 years warranty depending on different finish and application 6. Accept Changing or Refunding if the products cannot be installed rightly. Package: It is inside with plastic film and outside wraped with waterproof paper, pallet package or according to customer's requirements.