Na May 14, ọmụmụ abụọ, "Tụnyere nke Waterproof Coil Formulations" na "Standard Development of Waterproof Asphalt Groups", ka emere n'uju na ụlọ ọrụ pilot nke mbụ nke PetroChina. Ndị a bụ ọmụmụ ihe abụọ mbụ bidoro ka ekpughere ntọala ahụ na Eprel 29.

Dị ka China Petroleum's first pilot test base for waterproof asphalt, mmanụ ọkụ ụlọ ọrụ nyocha Institute na Jianguo Weiye Group na ndị ọzọ nkeji ga-agba mbọ na nkwalite na ngwa nke ọhụrụ waterproof ngwaahịa ngwaahịa, imekọ ihe ọnụ mmepe nke ọhụrụ waterproof asphalt na metụtara inyeaka ngwaahịa, na mmepe. nke nkà na ụzụ na isi mgbanwe mgbanwe ọzụzụ, rụọ ọrụ nyocha na ngwa mmepụta ihe nke ngwaahịa asphalt na-adịghị. Ọ ga-abụ isi mmalite maka mgbanwe nke ngwaahịa ọhụrụ na teknụzụ ọhụrụ nke PetroChina, nke dị oke mkpa maka ịkwalite nkwalite na ngwa nke ngwaahịa asphalt nke PetroChina na-adịghị mma ma na-enye ngwaahịa asphalt na-adịghị mma ma dị mma maka ụlọ ọrụ na-ekpuchi mmiri.

Dị ka ngwaahịa dị elu na ezinụlọ asphalt, asphalt na-adịghị egbochi mmiri aghọwo ụdị asphalt kachasị ukwuu ma e wezụga asphalt okporo ụzọ. N'afọ gara aga, ire mmanụ asphalt nke China na-adịghị egbochi mmiri ruru nde tọn 1.53, yana oke ahịa karịa 21%.