Siew Boi Tan

Guardian Shanghai Hygiene Service Ltd. provides environmental governance services. Its business activities include technology development, transfer, and consultation; cleaning services, dry cleaning services, environmental engineering, and greening and maintenance; and provision of services related to machinery, washing supplies, and import and export. The company was founded on May 19, 2011 and is headquartered in Shanghai, China.

Guardian Shanghai Hygiene Service Ltd. provides environmental governance services. Its business activities include technology development, transfer, and consultation; cleaning services, dry cleaning services, environmental engineering, and greening and maintenance; and provision of services related to machinery, washing supplies, and import and export. The company was founded on May 19, 2011 and is headquartered in Shanghai, China.

Guardian Shanghai Hygiene Service Ltd. provides environmental governance services. Its business activities include technology development, transfer, and consultation; cleaning services, dry cleaning services, environmental engineering, and greening and maintenance; and provision of services related to machinery, washing supplies, and import and export. The company was founded on May 19, 2011 and is headquartered in Shanghai, China.

Guardian Shanghai Hygiene Service Ltd. provides environmental governance services. Its business activities include technology development, transfer, and consultation; cleaning services, dry cleaning services, environmental engineering, and greening and maintenance; and provision of services related to machinery, washing supplies, and import and export. The company was founded on May 19, 2011 and is headquartered in Shanghai, China.

Guardian Shanghai Hygiene Service Ltd. provides environmental governance services. Its business activities include technology development, transfer, and consultation; cleaning services, dry cleaning services, environmental engineering, and greening and maintenance; and provision of services related to machinery, washing supplies, and import and export. The company was founded on May 19, 2011 and is headquartered in Shanghai, China.