Air Liquide Deutschland GmbH

Yian Chem is the trading brand of Hubei Yihua New Materials Technology Co., Ltd., supplying fine chemicals, intermediates and custom sourcing solutions to R&D, manufacturing and trading partners across the world.

Supplier of subsea components (ROV parts, connectors), oil & gas drilling equipment (valves, PDC cutters), specialty chemicals, and lab research tools. Services include ROV system design, technical consulting, and API/ISO certification support.

CHNV Technology Co, LTD, founded in 2008, is a high-tech enterprise integrating scientific research, production andsales.