No ka hoʻokō ʻana i nā pono o nā mea kūʻai aku, ua hoʻomohala ʻo Heguang i kahi kukui wai ʻauʻau pā kila. Ke hoʻohālikelike ʻia me nā mea palaki, ʻoi aku ka maikaʻi o ka pale ʻana i ka corrosion, 316L stainless steel, a hiki ke pale aku i ka corrosion o nā kemika a me ka wai paʻakai i loko o ka wai ʻauʻau. A aia ʻelua ...
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