Chevron Corporation is an American multinational energy corporation, headquartered in San Ramon, California, and active in more than 180 countries.




Knauf is a German company founded in 1932 by the brothers Karl and Dr. Alfons N. Knauf. Today Knauf is one of the world's leading manufacturers of modern insulation materials, dry wall construction systems, plasters and accessories, thermal insulation composite systems, paints, floor and ceiling systems, and construction equipment and tools.

Flat Glass Group

Flat Glass Group Co., Ltd. manufactures glass products. The Company mainly produces and sells photovoltaic glass, float g lass, architectural glass, household glass, and more.


Pyeong Hwa Automotive Co., Ltd. (PHA) was founded in 1985 and is headquartered in Daegu, South Korea. PHA is listed on Korean stock exchange (KOSDAQ) and is a leading manufacturer of automotive moving parts.