We – EPG Group the bigge EPT Chain and agricultural gearbox manufacturing unit in China with 5 diverse branches. For more specifics: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 Standard We have exported our merchandise to Korea, Turkey, Bulgaria, Romania, Russia, Italy, Norway, the Usa, Canada, etc. roller chain is offered with pitches from 1/2 to 3 inches. Chain numbers are decided by multiplying the pitch by 80 (a 1/2 inch pitch chain would be a No. forty chain). A hyphenated suffix implies multiple strands. The use of original products manufacturer’s (OEM) portion figures or logos , e.g. CASE® and John Deere® are for reference reasons only and for indicating merchandise use and compatibility. Our company and the listed alternative parts contained herein are not sponsored, authorized, or made by the OEM.