Companies that are included in the Catalogue and use HCs (for production purpose) with use quantities reaching the threshold annual tonnage specified in the “Use quantities standard for hazardous chemicals” are required to obtain the HCs Safety Use Permit, according to the SAWS Order 57.
Reference Link:
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SAWS news release:
http://www.chinasafety.gov.cn/newpage/Contents/Channel_5330/2013/0225/197873/content_197873.htm