Liaoning Huake Peroleum Apparatus Science & Technology Co.Ltd is a high-tech enterprise which is intergrated with resrearch, manufacture and ***** company was certified by ISO9001:2000”Quality Management System”, ASTM member and Standardization Technical Committee member. The company is engaged is research, development and manufacture of various petroleum instrument, liquid-in-glass thermometer, glass densitometer, glass apparatus, hydrogen air, nitrogen generators for chromatographs in accordance with standard of GB/T, SH/T and ASTM rich technical ***** products, steady and reliable with high quality, are not only sold to various markets in China but also launched into the international markets. Our philosophy is: Subsistence Relies on Quality, Development Depends on Science and Technology</p>