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Features:Quality engineered for strength and durabilityTop quality of the line roller chains.This chain offer allowable working loads that can provide extra load carrying capability and deliver.Top quality of the line roller chains.This chain offer allowable working loads that can provide extra load carrying capability and deliver.Solid rollers and bushings rovide great strength and durability under all riding condition.The O-Ring lubrication system keeps the chain properly lubricated and prevents premature elongation by sealing lubricant in and contaminants out of the pin/bushing joint.Specifications:Name:chain 520 520hTensile Strength: 38knLinks: CustomizableColor: Customizable

Q1. What is your terms of packing?A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.Q2. What is your terms of payment?A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.Q3. What is your terms of delivery?A: EXW, FOB, CFR, CIF, DDU.Q4. Do you test all your goods before delivery?A: Yes, we have 100% test before deliveryQ5: How do you make our business long-term and good relationship?A:1. We keep good quality and competitive price to ensure our customers benefit ;2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.