In 2009, Shandong Dongda INOV New Material Co.,Ltd has successfully developed and produced the world's first environment-protective 365mfc/ 227 solar water heater , cooperating with SOLVAY company of Belgium . We drafted and edited the National standards of Rigid Polyurethane Foamed Plastic for Solar Water Heater and National standards of Rigid Polyurethane Foamed Plastic for Refrigerator. B1-class high flame-retardant spray products have successfully applied to the National Museum of China, the Shanghai World Expo Theme Pavilion and other world-famous projects.
We also participated in editing of Athletic Field Facility Standard Manual of International Field Athletic Federation League as a member of editorial board.All of these have highlighted the manufacturing, research and development strength of polyurethane product as the first-class enterprise and have manifested the enterprise's strong competitiveness strength and profession influence.
The actual concentration of water vapor in air. May be expressed in units of kPa, grains of moisture per pound of dry air, pounds of moisture per pound of dry air, or as a partial pressure as inches of mercury (in. Hg).
SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.