Zhengzhou Changkuan Technology Co.,Ltd

Technical development (non-research), technical consulting, and technology transfer of chemical products; biotechnology development, technical consulting, and technology transfer; import and export of goods or technology (except for import and export of goods and technology prohibited by the state or involving administrative approval); enterprise management consulting ; House rental; testing services; sales: other chemical products (except hazardous chemicals) biological products (except vaccines). Involving licensed business projects, you must obtain permission from the relevant departments before operating