Suzhou Jinkaiwei Renewable Resources Recycling Co., Ltd. and Shenzhen Hongfa Second-hand Equipment Company. According to Baidu map query:

1. Suzhou Jinkaiwei Renewable Resources Recycling Co., Ltd. is located at 4028, No.588 Tongda Road, Wuzhong, Suzhou. Mainly engaged in the recycling of waste materials, recycling second-hand baking pots, used for gas baking chestnut cakes.

2. Shenzhen Hongfa Second-hand Equipment Co., Ltd. is located in Shajing and Yi Jie Community, Baoan District, Shenzhen. Mainly engaged in the recycling of waste materials, recycling second-hand baking pots, used for gas baking chestnut cakes.