z Insist on quality first; Insist on technical innovation; Insist on reputation rooted; Insist on customer paramountcy
2. Development of company

z Established in 1958, the name is “Huangshi machine manufacturing
factory” z In 1973,the name changed to "Huangshi forging factory" z In 1994,"Huangshi metalforming machie group" was established z In 1997,"Sanhuan group huangshi metalforming machine tool co., ltd.
was established, sanhuan stock entered into Shenzhen market. The code is 0883. Now sanhuan group covering: Î “Huangshi metalforming group huali machinery & equipment Co., Ltd” (Established in 1986) Î “Sino-Hongkong hubei huangshi metalforming machine tool Co., Ltd” (Established in 1992) Î “YSD huangshi huaxin machinery & equipment Co., Ltd” (Established in 1994) as Exporting Head office & factory. Î “Sino-Germany huangshi wanda security card Co., Ltd” (Established in 1995) Î "Sino-Belgium huangshi LVD-HD machinery & equipment Co., Ltd”(Established in 1997) Î “Huangshi huayao machinery & equipment Co., Ltd." (Established in 1999)
4.Management and design system
| z | AUTO CAD is widely used in the company from 1984. |
|---|---|
| z | “First grade measurement company” is recognized by the government in |
| 1989. | |
| z | The company actualizes C3P engineering roundly and put IMAN, UG, CAD, |
| CAE, CAM and CAPP into exploitation, design and manufacture of the | |
| products in 1996. | |
| z | ISO9001 quality certificate was achieved in 1998. |
| z | The company began to actualize CIMS management system roundly in |
1998 and it was listed in “863” item of demonstration engineering of government. z The products have got CE certificate in 2002.
z Be considered as “AA” company by the government.
z Got “Labor cup” from the national community 。z Obtained “Credit enterprise” for several times.
z YSD guaranty quality freely in 12 months from the date that the both party has signed the certificate of quality inspection.
z Area: 167,071 m2 z Staff: 1822 persons z Technician: 236 persons
| Name | Type | Producing area | |
| z | CNC Grounding Bore | BSL-162L(5 AXIS) | Japan TOSHIBA |
| Milling | |||
| z | CNC Grounding Bore | W160HA(8m) | Czech SKDDA |
| Milling | |||
| z | CNC Grounding Bore | W160HC(14.5m) | Czech SKDDA |
| Milling | |||
| z | Gantry Milling | X2012A(4m) | Beijing |
| z | Gantry Milling | X2010-9(9m) | Tianjing |
| z | Gantry Planer | B2016A(6m) | Jinan |
| z | Gantry Planer | B2020A(8m) | Jinan |
| z | Gantry Planer | B2216X16(6m) | Jinan |
| z | CNC Machining | M-H60E | Japan |
| Center | |||
| z | CNC Machining Center | NC800 | Bulgaria |
| z | CNC Machining Center | VF-3 | USA |
| z | CNC Machining Center | TH5632 | Dahe |
| z | CNC Lathe | QT-30N | Japan |
| z CNC Lathe | M132/300 | Japan |
| z CNC Lathe | GCL-2L | Taiwan |
| z CNC Lathe | D-25E | Taiwan |
| z CNC Lathe | CK3263/1500 | Shenyang |
| z CNC Plane Grinder | MD400-KCT-CNC | Italy |
| z CNC Plane Grinder | MD600 | Italy |
| z Plane Grinder | M7150 | Shanghai |
| z CNC Honing Machine | VC616 | USA |
| z CNC Honing Machine | 1840 | USA |
| z Honing Machine | M4250 | Sino-Czech |
| z Cylindrical Grinder | M1450A | Shanghai |
| z Vertical Grinder | MAJOR330A | France |
| z Vertical Grinder | SFS500(3000X500) | Germany |
| z Rail Grinder | M50100 | Tianjin |
| z Super Exact Vibrate Grinding Wheel Head | Germany | |
| z CNC Cutting machine | SKG-3E/5000/16000 | Harbin |
| z CNC Cutting machine | SKG-3D/4000/12000 | HD |
| z CNC Press Brake | WPE400/6000 | HD |
| z Gantry Rotational Straightening Machine | Y45-315/2500×6000 | HD |
| z Abrader | Q7630A | Qingdao |
| z Vibrate Machine | TR-B | Germany |
| z Pickling Phosphate Groove | SXL-2000×10000 | HD |
| z Traveling Crane | 75/20T | Dalian |
| z Traveling Crane | 50/10T | Dalian |
| z Gantry Crane | 35T | Qingzhou |
CNC Lathe ( M132/300 ) CNC Machining
Center(M-H60E)

CNC Grounding Bore Milling(BSL-162L) CNC Plane Grinder(MD400-KCT-CNC)

9. Main measuring equipment
| Name | Type | Producing area |
| z Material Testing Machine | WJ-30 | Guangzhou |
| z V Sclerometer | HV-120 | Shandong |
| z L Sclerometer | HR-150 | Shandong |
| z Magnetic Testing Machine | DCT-EⅡ | |
| z Projector | JCT-1 | Shanghai |
| z All Purpose Microscope | 19J | |
| z L Sclerometer | HLN-11 | Beijing |
| z Precision Sound Level Meter | ND6 | Jiangxi |
| z Roughness Measurer | GJD-5C | Dalian |
| z Crack Depth Meter | LS-6 | Shanghai |
| z Balance Tester | HYQ022 | |
| z Test Electric Stove | SK-22.5-BD | |
| z Digitize Intellectual Testing | PXUT-28 | Nanjing |
| z Digital display l Ruler | 150-1000 | Guilin |
| z Roughness Measurer | PS-Ⅱ | USA |
| z Digitize Intellectual Testing | EH-400 | Germany |
| z Metal graphical Microscope | XJG-04 | Nanjing |
| z Impact Tester | JB-30 | Jinhua |
| z Verticality Detector | CC-500Ⅱ | Zhenzhou |
| z Digital Micrometer | Chendu | |
| z Measuring Pitch Diameter | Chendu | |
| z Double-frequency Laser | MJS5C | Chendu |
| z Voltage with stand Tester | YX2670B | Nanjing |
| z | Protection Circuit Tester | XBDL-1 | |
|---|---|---|---|
| z | Length Gauge | JD-5 | |
| z | Oil Contamination Microscope | XZR-J | Shanghai |