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How do I clean and maintain my exterior signage?

Most exterior letters, signs and plaques will require some maintenance to retain their original luster and shine. We recommend that you clean all plastic and metal letters with a good dishwashing soap and water, using a very very light brush like a soft toothbrush or even a towel. This will remove any dirt and pollutants gathered from the environment. Please do not use any harsh or other chemicals, as we can not guarantee the affect it will have on letter finishes. If the face of a metal letter gets scratched, the polyurethane coating can be refinished using a high quality car wax.

Shanghai Office

S3 We Plus, 5th floor
No.1367 of Dongfang Road, Fudu Plaza
Shanghai, China

Working Time

9:00am-6:00pm (Beijing Time)

Mon. to Fri.


We are signage products manufacturer in China, with over 15 years of successful experience and knowledge in this field, hold multiple certifications, such as ISO9001, ISO14001, OHSAS18001, UL, etc. Above 300 employees and more than 100 advanced machines in 15,000 sqm factory.

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