Nnansa yi ara, wɔabɔ rɔba asphalt a wɔde tae a wɔsɛe no ayɛ no so akɔ akwan akɛse bɛboro 60 so wɔ Yizhuang nkɔso beae wɔ Beijing. bere a wɔde Rongchang West Street sii hɔ nnansa yi no, rɔba asphalt a wɔde fa so nyinaa a ɛwɔ Yizhuang Development Zone no adu ɔpepem 2{3}}
Wɔfrɛ tae a asɛe no "black pollution." Direct combustion of waste tae betumi ayɛ carcinogens te sɛ dioxins ne heavy metal pollutants te sɛ zinc, cadmium, nickel ne lead{1}} "Washing used taes into rɔba powder and added modifiers asphalt paving one freshly flusely fluses process acfully process that aloutly process that play that cycle that cycle that cycle that Rɔba asphalt supply Ding Jian, Shanglanpai Company panyin, a wɔde aba. Sɛnea akontaabu kyerɛ no, nneɛma a atwa yɛn ho ahyia ho banbɔ adwuma wɔ beae a wɔreyɛ nkɔso no "akɔtow" 2{9}} ɔpepem 73 a wɔsɛe no wɔ kwan no so, a wɔkwati efĩ a ɛba wim denam ɔkwan a wɔfa so dannan wɔn ho so, a ɛne 123, a ɛne oxide e emission yɛ pɛ no yɛ pɛpɛɛpɛ Tons.
Yizhuang Development Zone abɛyɛ ɔmantam a edi kan wɔ Asia a ɛhyɛ rɔba asphalt a wɔde di dwuma a ɛkɔ soro kodu mita ahinanan ɔpepem biako. ho nkuran Wɔ September afe a etwaam no mu no, South Africa yɛɛ amanaman ntam rɔba asphalt fapem ne amanaman ntam rɔba asphalt nhyiam. nhyehyɛe boayikuw no de amanaman ntam nneɛma a atwa yɛn ho ahyia ho banbɔ sika kɔkɔɔ abasobɔde maa wɔn a wɔde wɔn ho hyɛɛ mu no nnwumayɛbea a ɛwɔ nkɔso no ho nhyehyɛe no nso, saa bere no de saa bere yi de saa bere yi de no bɛba abɛbɔ wɔn ho ban{ Nneɛma a atwa yɛn ho ahyia ho ɔyɛkyerɛ beae biako pɛ wɔ Asia.
Mprempren, wɔ Yizhuang nkɔso beae no akyi no, Jingli Expressway to the World Expo ne Beijing Daxing International Airport no mu akwan no de rɔba asphalt a tae a wɔsɛe no ayɛ no adi dwuma sɛ ade a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ ade.