| ISO14001 | ShengTang Certificate Nanjing Co., Ltd. | Outdoor seats, trash cans, fitness equipments | 2020-02-07 ~ 2023-02-07 | |
| ISO14001 | shengtang | The production of outdoor seating and trash can fitness equipment and the environmental management related activities involved in the site | 2020-02-07 ~ 2023-02-07 | |
| ISO9001 | ShengTang Certificate Nanjing Co., Ltd. | Outdoor seats, trash cans, fitness equipments | 2020-02-06 ~ 2023-02-07 | |
| ISO 45001 | ShengTang Certificate Nanjing Co., Ltd. | Outdoor seats, trash cans, fitness equipments | 2020-02-04 ~ 2023-02-03 | - |
| ISO14001 | Beijing Zhonglian Tianrun Certification center | Manufacturing and selling products like outdoor furniture (table sets, outdoor bench etc.), sanitation facilities (trash bin) and other communal facilities (tree box, flower planter, bollard, bike rack, tree grate), fitness equipment, landscape ornaments (except as required by the low) and places | 2017-09-20 ~ | - |
| OHSAS18001 | Beijing Zhonglian Tianrun Certificate center | Manufacturing and selling products like outdoor furniture (table sets, outdoor bench etc.), sanitation facilities (trash bin) and other communal facilities (tree box, flower planter, bollard, bike rack, tree grate), fitness equipment, landscape ornaments (except as required by the low) and places | 2017-09-20 ~ | - |
| ISO9001 | Beijing Zhonglian Tianrun Certication center | Manufacturing and selling products like outdoor furniture (table sets, outdoor bench etc.), sanitation facilities (trash bin) and other communal facilities (tree box, flower planter, bollard, bike rack, tree grate), fitness equipment, landscape ornaments (except as required by the low) and places | 2017-09-20 ~ | - |