"four new achievements award" of china c...
"innovative outstanding enterprise" by c...
shandong province integrity management d...
shandong aaa credit enterprise
shandong province aaa credit enterprise ...
provincial-level contract-honoring and t...
national quality inspection stable and q...
national trustworthy products
leading brand in quality in the national...
national excellent enterprise of quality...
integrity enterprise of shandong door in...
initiator of shandong door industry asso...