... T, L/C are acceptable.Lead Time for MOQ: Within 3 days after deposit or valid L/C opened.FAQ(Frequently ... out an paper and post it to: Hejian Solidkey Petroleum Machinery Co., Ltd.,No.15, Yangguang Community, Beihuan Road, Hejian City ... , to East-south Asia is always less than 15 days.3.Can I expect a quality products? Answer : Yes. All ... 627,637,737512,522,532,612,622,632,732Roller bit, roller cone bit