Dongying City Dayong Petroleum Additives Co., Ltd.: We're known as one of the most professional drilling and completion chemicals, production chemicals, demulsifier additive, oilfield biocides,
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External Serrated Flange Bolt is a one-piece hexagon washer head bolt with a flat bearing surface. It is often used in frame, especially truck frame.
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Paddy dryer machine is applied to dry various grains efficiently, such as rice, corn, wheat, paddy, soybean, sorghum, rapeseed, cashew nuts, barley and other agricultural products.
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