We – EPG Group the bigge EPT Chain and agricultural gearbox manufacturing facility in China with 5 different branches. For more particulars: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 Normal Owing to our wide solution selection and rich encounters in this market, we are confident to offer our consumers flexible and diversified services.roller chain is offered with pitches from 1/2 to 3 inches. Chain numbers are identified by multiplying the pitch by 80 (a 1/2 inch pitch chain would be a No. forty chain). A hyphenated suffix signifies several strands. The use of authentic gear manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference needs only and for indicating solution use and compatibility. Our company and the shown replacement areas contained herein are not sponsored, accredited, or manufactured by the OEM.