48.3mm base plate factory Qingdao Dison Machine Products Co.,Ltd. is a professional manufacturer and exporter of OEM precision investment castings and full range stainless steel handrail and balustrade fittings. Qingdao Dision was found in 2012.Most of our colleagues have been in this filed over 20 years.We have enough technology to produce high-grade products. The company has built up a...