Huaruitong Industry Trade Co., Ltd

1. Payment: L/C, T/T 2. Delivery time: one month, or upto cuatomers's require and the quantity. 3. Supp

1. Size OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" Length: 9500mm/12000mm Steel Grade: E75

1.Standard:API SPEC 11B 2.Size: 5/8"~ 1 -1/8" *****: K, C, D and HL 4.Supply Ability:100000FT

1.Packaging Detail: bundle in wooden box 2.Delivery Detail according to quantity ***** Supply Ability:1000

1).Using:For land and offshore applications to explore, develop and produce oil, wellheads 2).Standard :API

***** payment:L/C, T/T ***** delivery time: one month or upto the customers' require and the quantity.

1. All products accord with API SPEC 5D & API 7 standard 2. Type: Square Kelly; Hexagonal Kelly 3., Size