Looking fixed providers

Requirements for suppliers of receipt: Dongguan invoice requirements: no invoice transactions: Alipay secured transactions supplement long-term single, looking for co-manufacturers interested, please contact QQ345855020-- Su Health Product description: Phil pan head with washer , gaskets can not afford, specifications total length 8MM, gasket thickness 1MM, cap thick 2MM, cap diameter 5MM, gaskets wide 5.9MM, screw is 3MM,