The cross shaft type rigid staked u joint is composed of a universal joint fork, a cross shaft, a needle bearing, an oil seal, a sleeve and a bearing cover. Working principle: one of the rotating
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Shanxi Jinfeng Biotechnology Co., Ltd.: Welcome to buy humic acid, sodium humate, potassium humate, potassium fulvic acid, humic acids powder for sale here from professional manufacturers and
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SinoColor co., Ltd: China fabricante de impressora profissional de grande formato, preço acessível, serviço confiável, no tempo de entrega, serviço local, custo-desempenho, feedback de alta eficiência.