coupling for oil casing pipe tubing coupling

tubing coupling size:1.05'',1.315'',1.66'',1.9'',2-3/8'',2.7/8'',3-1/2'',4'',4-1/2''
thread type:EUE,NUE, VAM TOP/NEW VAM,JFE, Hydril, Hunting,EX
sucker rod:5/8''--1-1/8'',T grade
casing coupling size:4-1/2'',5'',5-1/2'',6-5/8'',7'',7-5/8'',8-5/8'',9-5/8'',10-3/4'',11-3/4'',13-3/8'',16'',
18-5/8'',20''
thread type:STC,LTC,BTC, VAM TOP/NEW VAM, JFE, Hydril, Hunting,EX
steel grade:J55,K55,N80-1,N80Q,L80-1,P110,L80-3CR,9CR,
13CR ,P110-13CR(super13CR),28CR
packing: in wooden pallets or customers' requirement

coupling for oil casing pipe tubing coupling