1 quality system certificatin of military product supppier 2 superb quality 3 professional design and produce 4 full style

style	piston diameter   (mm)	cylinder    diameter   (mm)	stroke    length     (mm)	extented    length    (  mm)	connecting    part   (mm)	force      (N)	gas spring
YQ	4	12	(20--400)	(110-871)	(B-B)/(O-O) (M-M)	30N-100N	compressed
YQ	6	14	(20-410)	(96-894)	(B-B)/  (O-O) (M-M)	40N-300N	compressed
YQ	8	18/19	(20-420)	(102-920)	(B-B)/(O-O) /(U-U)/(M-M)	100N-400N	compressed
YQ	10	22	(20-430)	(113-950)	(B-B)/(O-O)/(U-U)/(M-M)	100N-1000N	compressed
YQ	12	22	(20-440)	(135-975)	(B-B)/(O-O)/(U-U)/(M-M)	200N-1200N	compressed
YQ	14	28	(20-450)	(150-1100)	(B-B)/(O-O)/U-U)/(M-M)	300N-2000N	compressed
JKQ	19		(21-90)	(153- 500)	(M-M) //(O-U) /(O-O)	150N-1000n	loackable
JKQ	25		(20- 100)	(150-550)	(M-M) (O-U)/(O-O)	150N-1500N	lockable
LQ	8	22	(20-400)	(50-600)	(M-M)/(B-B)/(O-O)/(U-U)	150N-400N	tension  spring
LQ	12	22	(20-410)	(60-700)	(M-M)/(O-O)/(U-U)/(B-B)	200N-1000N	tension spring
LQ	12	30	(20-450)	(80-900)	(M-M)/(O-O)/(U-U)/(B-B)	300N-2000N	tension spring
YQB	8	18/19	(20-420)	(102-920)	(O-O) /(B-B)	100N-400N	spring with protective cover
YQB	10	22	(20-430)	(113-950)	(O-O)/(B-B)	100N-1000N	spring with protective cover
YQB	12	22	(20-430)	(135-975)	(O-O)/(B-B)	200N-1200N	spring with protective cover

Gas Spring ,strut ,lift Piston , Hydropneumatic Suspension,damper,lockable Gas Spring