Yunnan xiye group (holding) co., LTD. (hereinafter referred to as yunxi) is the world's famous tin production and processing base, is the world's tin production enterprises with the longest industrial chain, the most complete enterprise, ranked first in the world tin industry.Cloud stannic holds water already had 120 years history up to now, it is the cradle of Chinese stannic industry, of Chinese stannic industry "bellwether", one of national 520 key enterprises, representing the leading level of Chinese stannic industry, have stronger international competition ability.
After more than 100 years of development, yuntin has become the world's largest tin production and processing base, the world's largest tin chemical center, the world's largest tin processing center, the world's largest arsenic chemical center, and a world-class rare and precious metal research and development center
After full investigation by the customer's technical staff and comparison with various manufacturers in the early stage, yunnan xiye cooperated with yangyi in 2019 and ordered from our company automatic oxygen index tester, horizontal and vertical combustion tester,large-plate combustion tester for decorative coatings and small-chamber combustion tester for decorative coatings.We will provide domestic first-class quality first-class service, for the future cooperation between the two sides to lay a good foundation.
UL94 horizontal and vertical combustion testing machine 5402 conforms to the requirements of UL94, GB/T2408, IEC60695-11, ISO1210 and other standards. It is mainly used to measure the combustion performance of plastics, rubber or thin films under the direct combustion of specified fire sources.To determine the fire resistance grade of refractories.
Our company has cooperated with Shanghai university of engineering and technology institute to set up a laboratory, which is equipped with professional test engineers to provide customers with professional flame retardant testing services for cone calorimeter materials and related materials.