The main varieties include urea, ammonium sulfate, ammonium nitrate, ammonium acid carbonate, ammonium chloride, ammonium lime and ammonia water.
主要品种有尿素和硫酸铵、硝酸铵、碳酸氢铵、氯化铵、石灰氨、氨水等。
Main varieties include E/F coupler, reducer, tee, end cap, tapping tee, and E/F repair saddle and elbows in various angles. Fittings are in a complete range with complete specifications.
主要品种有电熔套筒、变径、三通、端帽、鞍型三通、鞍型封堵以及各角度的弯头等品种，品种和规格齐全。
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