Product Name: High Wear Resistent Chain for Garage Door Model NO.: 1/2"X1/8" Material: Alloy Type: Transmission Standard: International Customized: Customized Color: Customized Certification: CE, ISO Trademark: SMCC OR Customer Requirements Transport Package: According to Customer Requirements Specification: 1/2"X1/8" Origin: China HS Code: 7315111000 Product Description Our company specializes in producing electric rolling door chain, garage door chain, simple structure, strong bearing capacity. Tensile strength is greater than 820 kg tension. They are mainly exported to the United States, Canada, Mexico, Chile, Brazil, France, Belgium, Italy, etc.