1, Shanghai Shiliang Printing Technology Co., Ltd.: Main products: picture books, handbags, folding pages, leaflets, envelopes, posters, etc. Address: No.257 Jinglian Road, Minhang District, Shanghai 1 Floor.
2. Shanghai Cai Yi Digital Printing Co., Ltd.: Main products: business card printing, color page printing, office consumables, various seals, etc. Address: No.55, Shura Road, Xuhui District, Shanghai.