Warm congratulations to the "ocean" brand silica gel as a famous trademark in Shandong Province
Rushan Dayang Silica Gel Factory
ADD:Rushankou Town, Rushan City, Shandong Province, China
TEL:0086-631-6321197 6283788
FAX:0086-631-6321056
E-mail:dayang-sun@rsdayang.com