Singapore
Source:https://www.nea.gov.sg/our-services/waste-management/3r-programmes-and-resources/collectors-traders-and-local-recycling-facilities

A1 Environment Pte Ltd
71 WOODLANDS INDUSTRIAL PARK E9
#01-01 WAVE9
SINGAPORE (757048)
Website: https://a1environment.com.sg/
Email: contact@a1environment.com.sg 

Sin Gee Huat Pte Ltd
41, Sungei Kadut St 1, 
Singapore 729345
Website: http://www.singeehuat.com/
Email: sales@singeehuat.com
Phone: +65-96778899 

Soon Lee Recycle
#01-01 / #02-02, 7 Soon Lee St, iSPACE, 
Singapore 627608
Website: https://www.soonleerecycle.com/
Email: sales@soonleerecycle.com
Phone: +65 90090688

Lian Tian Trading Pte Ltd
20 Penjuru Place, 
Singapore 608556
Website: http://liantian.com.sg/
Email: liantian@singnet.com.sg
Phone: +(65) 6565 3977

Hong Kong
Source: https://www.wastereduction.gov.hk/en/community/cgs_intro.htm

As of Oct 2019, Hong Kong’s environmental protection department has initiated the establishment of Community Green Stations operated by local non-profit organisations. There are 8 operating stations in the following districts:-

Sha Tin District
Operator: Christian Family Service Centre
10 On Ping Street, Shek Mun

Eastern District
Operator: Po Leung Kuk
30 Oi Shun Road, Shau Kei Wan

Kwun Tong District
Operator: Christian Family Service Centre
27 Sheung Yee Road, Kowloon Bay

Yuen Long District
Operator: Hong Chi Association
65 Tin Wah Road, Tin Shui Wai

Sham Shui Po District
Operator: Po Leung Kuk
339 Tung Chau Street, Sham Shui Po

Tuen Mun District
Operator: Yan Oi Tong Limited
9 Tuen Yee Street, Tuen Mun

Kwai Tsing District
Operator: New Life Psychiatric Rehabilitation Association
12 Tam Kon Shan Road, Tsing Yi

Tai Po District
Operator: Hong Chi Association
25 Dai Wah Street, Tai Po