Esikhathini sokuvela okuvela njalo komkhakha wamakhemikhali, izinkampani ezibeka phambili izinto ezintsha, ukuqina, kanye nekhwalithi zivelele. Enye yenkampani enjalo yenza ama-strides aphambili yiTangshan Saiou Chemicals Co, Ltd. Isungulwe enhliziyweni yeTangshan, China, le Compa ...
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