Ndi chitukuko cha sayansi yamakono ndi luso, makampani zitsulo monga "mafupa" makampani dziko, udindo wake akukhala zofunika kwambiri, ndi zofunika zitsulo khalidwe ndi okhwima, amene ndi imodzi mwa njira zothandiza kusintha Ubwino wa zitsulo za carburization desulfurization, kashiamu wopanda Seamless Solid Calcium Cored Waya momwe umagwira ntchito yofunika kwambiri.
Malo atsopano a asphalt: Sitikulimbikitsidwa kuti amange pamalo atsopano a asphalt, ayenera kukhala masabata atatu mpaka 4 a nthawi yoyendetsa galimoto. Pofuna kulimbitsa ndi kukhazikika phula lamiyala. (Palibe choyambira chofunikira)
Chifukwa cha kuchepa kwa zopangira za rosin resin, mtengo wa rosin resin udzakwera posachedwa. Ngati kasitomala ali ndi mapulani ogula posachedwa, chonde lemberani kampani yathu munthawi yake kuti mupeze mtengo wabwino kwambiri
Utoto wapadera wa utoto wonyezimira wotentha ndi M2000A wopangidwa ndi kampani yathu patatha zaka zambiri za kafukufuku. Zimapangidwa ndi rosin, polymer molecular polymer, unsaturated dibasic acid, ndi polyol pambuyo pa polycondensation ndi esterification, kuwonjezera kutentha stabilizer, kuwala Kupangidwa pambuyo pa stabilizer. Poyerekeza ndi utomoni wa utoto wosinthidwa wa rosin,