Origin	China
Model Number	CHANGTAN Serial Drilling Rig
Brand Name	CHANGTAN
XY-44A drilling rig	XY-44A Core drilling rig

   Changsha Exploration Machinery Factory, founded in 1958, and renamed in 1981.As a member of Chinese Geological Equipment Corporation, all of our sites are ISO9001 certified. We have been manufacturing a wide series of drilling rigs and drilling accessories for over fifty years. With higher reliability and reasonable price, our drilling rigs have been sold very well around the world.

 Our drilling rigs consist of WTY-30, QWY-30, GY-50 serial portable geophysical exploration drilling rigs; TW-100, GY-100, GY-150, GY-200-1 serial drilling rigs for water well drilling, geothermal well drilling, coring drilling in soil sampling, foundation and construction; GY-300A, GY-600, XY-44A, GY-1600 serial diamond core drilling rigs both for conventional diamond core drilling and wireline diamond core drilling; XY-1high-speed small-bore drilling rigs both for vertical hole drilling and inclined hole drilling; ZDJ serial vibrating drilling rigs.

Chassis technology was applied in the design of GY-600,XY-44A and GY-1600 core drilling rigs,some parts such as automobile transmission,clutch,transmission shaft and remote transmission were selected. So it's easy to operate the drilling rigs.

There are various kinds of drilling accessories for borehole drilling project as follows: drill rods, reaming shells, casing pipes, casing shoes, double-tube and wireline core barrel and assemblies, core bits, as well as other drilling tools.

   Technical Specification of Changtan Serial Drilling Rigs 

Model	Initial hole (mm)	Drilling depth(mm)	Spindle				Max hoisting force		Power	Weight (without power unit	Dimensions L*W*H
			Speed (r/min)	Max .torque (N*m)	Max. Pressurforce (kN)	Max. lifting capacity  (kN)		kN	kW	kg	mm
GY-1600		1200-1600	57-1165	7600	90	125		62	70.0	3500	3300*1250*2100
XY-44A		900-1200	58-1125	6500	90	125		55	56.0	2400	3000*1150*2100
GY-600		600-700	48-1055	5757	60	80		48	36.8	1600	2800*1090*2000
GY-300A	300-93	120-350	58-885	3000	45	60		30	20	1300	2510*950*1820
GY-200-1A	300	200	68-900	2000	29	39		30	14.7	650	2400*2200*1620
GY-200-1T	300	200	68-900	2000	29	39		30	14.7	650	2400*2200*7480
GY-100	300-46	20-150	48-650	2000	20	30		15	12.1	590	1280*698*1350
GY-150	300-46	20-150	60-1100	1800	20	30		24	12.1	640	2050*700*1420
GY-50-1	130	50	54-300	1400	10	30		10	8.82	540	1510*650*6000
WTY-30	110	30	136-578	350	8	10		4	6.62	290	1510*600*1055
QWY-30	110	30	118-514	360	6.5	9.5		3.5	6.3	255	1310*550*1000
TW-100	91	100	45-263	739		13.4			40.4	3500(total)