- May, 2011, Suzhou Suzhou Youzhibang visited the domestic well-know test strips manufacturer Zhejiang Orient Gene Biotech CO. LTD. and was entrusted to design and develop manufacture line for gold-colloidal strip, it is believed that it will become the pioneer for domestic gold-colloidal strips manufacture equipment development, an opportunity for gold-colloidal strip manufacture industry production expansion, and quality improvement.