![]() Luyang Energy-Saving Materials Luyang Energy-Saving Materials (山东鲁阳节能材料股份有限公司) is a company specializing in energy-saving materials in the field of ceramic, soluble, alumina, rock wool fibers, and insulating firebricks. | Great Lakes Rubber Great Lakes Rubber is a company that manufactures precision, custom model rubber products and prototypes. | Northstar Drill Stem Testing Northstar Drill Stem Testing (DST) is a testing company specializing in drill stem testing services. | |||
Founding Date | Founding Date 1966 | Founding Date 1984 | Founding Date 1979 | Founding Date 1979 | Founding Date 2017 |
Type | Type Private | Type Public | Type Subsidiary | Type Private | Type Private |
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Locations | Locations Tyngsborough, US HQ Belmont, AU Mississauga, CA Viña Del Mar, CL Houston, US San Luis Obispo, US | Locations Zibo, CN HQ Hanoi, VN | Locations Wixom, US HQ | Locations Calgary, CA HQ | Locations Santa Clara, US HQ |
Employees | Employees 1182% increase | Employees 2,906 | Employees 14 | Employees 31 | Employees 9 |

Luyang Energy-Saving Materials (山东鲁阳节能材料股份有限公司) is a company specializing in energy-saving materials in the field of ceramic, soluble, alumina, rock wool fibers, and insulating firebricks.
View companyGreat Lakes Rubber is a company that manufactures precision, custom model rubber products and prototypes.
View companyNorthstar Drill Stem Testing (DST) is a testing company specializing in drill stem testing services.
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Outermost Technology is a surface and thin-film specialized service company.
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