Beihai Xinglong Biological Product Co.LTD was established cooperatively by Mr.Zhang Xingya and Guangxi Beihai Pharmaceutical Factory.It mainly produces lyophilized Tachypleus Amebocyte Lysate (TAL).

• 北海市兴龙生物制品有限公司（原北海市制药厂鲎试剂分厂）是专业从事鲎试剂生产和销售的有限责任公司。