四季青Evergreen 
浙江天杭生物科技有限公司成立于2007年10月，是杭州四季青生物工程材料有限公司斥资新办的一家专门从事生物原辅材料研究、开发与生产的企业。公司总部位于山清水秀的浙江省德清县洛舍镇，并在杭州设有办事处。浙江天杭生物科技有限公司总投资1500多万元，厂区占地面积14亩，建筑面积7200m2，其中净化生产车间面积850m2，质量检验车间600 m2，冷库面积500m2。浙江天杭生物技术有限公司2009.6.18—7.17完成设备安装调试，并在国内同行中有以下先进性：1.在国内首家使用机器灌装牛血清。2.反渗透水采用管道化，臭氧水消毒控制水质。3.新增自动控制记录的电高压消毒柜和蒸汽发生器。4.质检和生产车间全部安装空调，控制温度、湿度，创造良好的生产及质检环境，为保证牛血清质量创造了条件。
　　公司主要生产经营无支原体系列和无噬菌体低内毒素系列胎牛血清、新生牛血清等牛血清系列产品。产品主要销往国内生物制品生产企业和各大医学科研院所。目前批生产牛血清能力500-1500立升，年生产牛血清能力为15万立升，供货量为8万立升。
　　浙江天杭生物科技有限公司在杭州四季青生物工程材料有限公司的基础上，按照2010年版《全国牛血清生产企业达标检查手册》要求，对软件、硬件分别进行了修改与补充，并得到了较大辐度的提高，且在2010年7月顺利通过了牛血清生产企业达标认证【达标合格证书号：NO.2010001】。浙江天杭生物科技有限公司将传承“四季青”牌牛血清的企业文化，依旧贯彻四季青“质量第一、精益求精、务实创新、诚信经营”的宗旨，努力打造国际品质的品牌产品。



四季青品牌的牛血清从牛血清的商品化，标准化、规范化、精品化一步步迈进，坚持诚信经营，树立品牌至今已经二十多年，本着“质量第一、用户至上”的宗旨，让我们的品牌拥有良好的声誉，我们的产品畅销不衰。

　　商品化：1984年 在国内第一个提出并实施牛血清的商品化供应，替代使用单位多年来自己采血，自己制作牛血清供自己使用的格局。


　　标准化：1990—2000年杭州四季青生物工程材料研究所与中国药品生物制品检定所合作10年完成了牛血清国家标准研究制定，此标准被中国生物制品标准化委员会采纳吸入《中国生物制品主要原辅材料标准》，这是我国第一个有关新生牛血清的国家标准，从此结束了牛血清产品质量无法可依的历史，走上了牛血清质量标准化的道路。
2000年1月 由四季青与中国药品生物制品检定所合作完成的《牛血清国家质控标准》被国家药监局收入2000版《中国生物制品主要原辅材料质控标准》中，这是我国第一个有关牛血的国家标准。


　　规范化：2002年5月25日—26日，中国医药生物技术协会质量控制专业委员会动物血清学组第一次委派GMP专家对杭州四季青生物工程材料有限公司进行了牛血清生产企业的达标检查，本公司获得一次检查通过并成为中国第一个牛血清生产企业的达标单位，从此牛血清生产企业走上了规范化的道路，迈出了法制管理牛血清生产企业的第一步


　　精品化：2005年2月提出搜索世界顶级目标，开创牛血清的精品化先河，发展胎牛血清，进口胎牛血与本公司超级血清对照，并建立胎牛血清基地。2007年9.6—9.9金如松与金亦宏去青岛参加牛血清学组会议，金如松在大会发言中提出中国有好血清，我们要提高牛血清质量，走牛血清的精品化道路，替代进口牛血清。

Zhejiang Tianhang Biological Technology Co., Ltd. Established in October 2007, Hangzhou Sijiqing Biological Engineering Materials Co., Ltd. newly established finance company specializing in raw materials of biological research, development and production enterprises. Corporate headquarters located in the beautiful town homes, Zhejiang Deqing County, Luo, and has offices in Hangzhou. Biological Technology Co., Ltd. Hangzhou, Zhejiang days a total investment of more than 1,500 yuan, the factory covers an area of 14 mu, building area of 7200m2, including clean production workshop area of 850m2, quality inspection workshop 600 m2, cold storage area of 500m2. Biological Technology Co., Ltd. Hangzhou, Zhejiang 2009.6.18-7.17 days to complete equipment installation, and the advanced nature of the domestic industry has the following: 1. The first in the use of the machine filling bovine serum. 2. Reverse osmosis water using pipelining, control of water disinfection olfactory oxygen. 3. Add record electrical automatic control cabinet and steam generator high-pressure sterilization. 4. Quality control and production of all air-conditioning plant, control temperature, humidity, to create a good environment for production and quality control in order to ensure quality and create the conditions for bovine serum.
　　Mycoplasma-free company mainly produces series and series of non-phage low endotoxin fetal bovine serum, newborn calf serum and other bovine serum products. Products are sold to domestic manufacturers of biological products and major medical research institutes. Capacity of the current batch 500-1500 liters of bovine serum, bovine serum annual production capacity of 150,000 liters, supply capacity of 80,000 liters.
　　Biological Technology Co., Ltd. Hangzhou, Zhejiang days in the Biological Engineering Materials Co., Ltd. Hangzhou Evergreen basis, in accordance with the 2010 edition of "National inspection standards bovine serum producers Manual" requirements, software, hardware, respectively, were modified and supplemented, and has been more large degree of convergence increased, and in July 2010 passed the certification of bovine serum manufacturer 【standard certificate of compliance No.: NO.2010001】. Biotechnology Co., Ltd. Hangzhou, Zhejiang days to Inheritance "Evergreen" brand bovine serum corporate culture, is still carrying out holly leaf "quality first, excellence, pragmatic innovation, integrity management" purposes, to create international quality brand products.

Evergreen brand of bovine serum from bovine serum, commercialization, standardization, standardization, and quality of one step forward, adhere to the integrity of management, establish a brand it has been twenty years, the spirit of "quality first, users first" purpose, let us The brand has a good reputation, our products are selling well.

　　Commercialization: the first in the country in 1984, proposed and implemented the commercialization of the supply of bovine serum to replace the use of units over the years their blood, bovine serum to produce their own patterns for their own use.


　　Standardization :1990-2000 Evergreen Biological Engineering, Hangzhou Institute of Materials Pharmaceutical and Biological Products in China 10 years to complete the cooperation of the study and formulation of national standards of bovine serum, this standard was adopted by the Committee on Biological Standardization in China inhaled, "the main raw Biological Products in China material standards ", which is China's first on the national standards newborn calf serum, bovine serum from the end product quality and no laws of history, embarked on the path of bovine serum quality standardization.


　　Standardization: May 25, 2002 -26, China Association of Pharmaceutical Biotechnology Quality Control Committee of serological group of animals the first time experts appointed GMP Biological Engineering Materials Co., Ltd. Hangzhou Evergreen were manufacturing enterprises standard of bovine serum examination, the company received a check passed and became the first Chinese manufacturer of standard bovine serum units, from bovine serum manufacturers embarked on a standardized road legal management of bovine serum taken the first step in manufacturing enterprises


　　Quality: the February 2005 proposed search the world's top goal of creating a precedent for quality bovine serum, the development of fetal calf serum, fetal bovine serum imported super-serum control with the Company, and the establishment of fetal bovine serum base. 2007 9.6-9.9 Jinru Song and Jin Yihong bovine serum to Qingdao to participate in group meetings, Jinru Song at the conference proposed that the good of serum, we want to improve the quality of bovine serum, bovine serum boutique walk the road of import substitution bovine serum.