Grandwin  industry  is a sign company engaging in manufacturing light boxes, signage, letters sign, metal letters,metal signs etc. We have more than 7 years of experience for manufacturing advertisement signage and related services. We are specialized in manufacturing  3D letters, alphabet letters,house numbers,custom signs,wall lettering,wall letters,lettering,letter sign,sign letter,metal sign,illumininated signage,decorative letters,wall sign,cast bronze,acrylic signs, LED letters with our strong professional sign-making facilities.

We ensure that you are always offered the highest quality products by implementing strict quality control and safety measures.

You can get quality signs at lower cost with fast service !

You are welcome to  cooperate with us for mutual development and splendid future!


You can find the following  products:

  • Metal sign letters(metal letters,brassletters, stainless steel letters,aluminum letters,acrylic letters,iron letters, painting letters,varnish letters,titanium letters,golden letters,gild letters,fresco letters,illuminated letters,led letters,bronze letters,3d metal letters sign etc)
  • Custom signs (metal sign, led sign, illuminated signs, metal mural,make sculpture,guiding sign,bronze plaque,metal plaque)
  • Led light boxes (backlit light box, slim light boxes)


If you would like further information or a quotation for our sign products, please do not hesitate to contact us.

  • You are single user, looking for a quick buy, please write to    LINGKING@HOTMAIL.COM
  •  You are sign companies, distributors, for business cooperation or group purchase or other things, please write to  us.