acids, alkalis, chemical industry for water systems, swimming pool chemicals, waste water treatment, chemical, food industry, chemicals, agriculture, minerals, and animal feed, such as chlorine, acid, salt, alum, pac, caustic soda. nitric acid chemical, biodiesel in general industry.

Air pump size 1/2 HP- 50 HP, electric generator for 2KVA - 90KVA, diesel/ benzene engine, road making machinary car, cement grindstone size 1/2 - 1 Q., dumper truck, เครื่องตบดิน, ตบกระโดด, air drilling machine, floor rubbing machine, concrete tighten string, electrical welding box, lawn motor, concrete

 Acids, alkalis, chemical industry For water systems, swimming pool chemicals, waste water treatment, chemical, food industry, chemicals, agriculture, minerals, and animal feed, such as chlorine, acid, salt, alum, PAC, caustic soda. Nitric acid chemical, biodiesel in general industry.

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