The manufacturers of finished gutter are as follows:

1. Shandong Yuansen Building Materials Technology Co., Ltd.. The registered address of Shandong Yuansen Building Materials Technology Co., Ltd. is located in Building 13, No.71 Bidewen Road, Giulio Givanni Carlo Taccon Street, Changle County, Weifang City, Shandong Province, and its business scope includes the production of environmentally friendly building materials, drowning systems and accessories.

2. Hangzhou meinuo new building materials technology co., ltd. The registered address of Hangzhou Meinuo New Building Materials Technology Co., Ltd. is located at Floor 3, Building 2, No.1188 Dayuan Road, Qingshanhu Street, Lin 'an District, Hangzhou, Zhejiang Province, and its business scope includes sales of new metal functional materials and aluminum alloy gutter.

3. Zhejiang kecheng building materials technology co., ltd. Zhejiang Kecheng Building Materials Technology Co., Ltd. is located in Gaole Village, Gaohong Town, Lin 'an District, Hangzhou City, Zhejiang Province, and its business scope includes the technical development of new building materials. Indoor and outdoor decoration engineering, technical development of falling water system, aluminum alloy gutter.

4. Hangzhou defeng building materials co., ltd. The registered address of Hangzhou Defeng Building Materials Co., Ltd. is located at No.19 Xianxing Road, Xianlin Street, Yuhang District, Hangzhou, Zhejiang Province, and its business scope includes plumbing pipes and fittings, asphalt shingles, waterproof materials and building materials.

5. Hangzhou ruijing building materials technology co., ltd. The registered address of Hangzhou Ruijing Building Materials Technology Co., Ltd. is located at No.1418-8 Moganshan Road, Hangzhou, Zhejiang Province, and its business scope includes sales of building materials and building decoration materials.