Product Description 1.Teeth Profile: HTD: 3M,5M,8M,14M,20M T&AT: T2.5,T5,T10, AT5,AT10,AT20 STPD: S2M,S3M,S4.5M,S5M,S8M,S14M RPP: 5M,8M,14M,20M PGGT (PowerGrip GT): 2MR,3MR,5MR,8MR,14MR 2. Materials: Aluminum timing pulleys Characteristics: 1.suitable for moderate power transmission 2.light weight / reduced rotational inertia 3.moderate chemical and corrosion resistance 4.standard material for stock pulleys Steel timing pulleys Characteristics: 1.suitable for high power transmission 2.durable 3.limited chemical and corrosion resistance 4.aesthetic material 3.Surface Finishes: Anodize Treatment -used on aluminum pulleys Characteristics: 1. Increased chemical and corrosion resistance 2. Available in natural, black, or colored 3. Limited increase of surface hardness 4. Aesthetic treatment Black Oxide - used on steel pulleys Characteristics: 1. Increased chemical and corrosion resistance 2. Aesthetic treatment Packaging & Shipping Test Company Profile Tianjin Haorongshengye Electrical Equipment Co., Ltd. 1. Was founded in 2008 2. Our Principle: "Credibility Supremacy, and Customer First" 3. Our Promise: "High quality products, and Excellent Service" 4. Our Value: "Being Honesty, Doing the Best, and Long-lasting Development" 5. Our Aim: "Develop to be a leader in the power transmission parts industry in the world" 6.Our services: 1).Competitive price 2).High quality products 3).OEM service or can customized according to your drawings 4).Reply your inquiry in 24 hours 5).Professional technical team 24 hours online service 6).Provide sample service Main products Machines Exbihition