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