Product Name: Motorcycle Chain 428h 428 420 530 520 O-Ring Model NO.: 428H 428 420 530 520 O-RING Surface Treatment: Zinc Plated, Chrom Plated, Sand Blasting, Dull Polish, Polishing, Gold Coated Number of Row: Single Row Certification: ISO9001?2001 Material: Alloy Steel Type: Chain Trademark: Linotech Transport Package: Can Be Customized Specification: 100-150 Origin: Qingdao HS Code: 731511 Product Description Short Pitch Precision Roller Chain for Natural Color 428H1. Standards: ISO /DIN /ANSI2. Model: 35-160, 428H Simplex, Duplex, Triplex, Heavy duty3. Materials: Carbon steel 40Mn4. All parts are heat treatment(quenching and tempering) and controlled in a reasonable tolerance range.5. Tensile strength: 15-20% higher than the standard6. Certificate of Quality: ISO 9001: 2000, SGS7. Centreless grinding.8. Good lubrication with excellent grease.9. Color: Self, dark yellow, dark blue, blackProducts are made of high quality alloy steel production. The plates are punched and squeezed bores by precision technology. The pin, bush, roller are machined by high-efficiency automatic equipment and automatic grinding equipment, then through heat treatment of carburization, carbon and nitrogen protection mesh belt furnace, surface blasting process etc. Assembled precision by Internal hole position, spin riveted by pressure to ensure the performance of the entire chain.SpecificationsOur Service1. Any of your kind inquiry conveyor chain would be replied within 24 hours.2. Well-trained and experienced sales staffs will reply all your concerns in fluent English.3. OEM services are available with us, our professional designer would make your private idea into being.4. Protection of your sales area, ideas of design and all your private information.5. Delivery by air mail or ship for your orders.Why choose us1. We are the manufacture.2. We have near 2 years the most mature experience of making chains and chain links.3. Our design team has extensive experience in the chain design.4. Best service and prompt delivery.5. We offer various styles, size and colors to meet your requirement.6. We have a complete set of testing equipment to ensure our quality.