韩国三级电影播放_成年黄色电影_美国做爰xxxⅹ性视频_日本一区二区在线_bbbbbbbbb免费毛片视频_91欧美_91成人app_国产91免费视频_国产精品成人免费视频_欧美一级二级三级_亚洲制服丝袜在线播放_日本韩国欧美一区_非洲一级片_亚洲国产精品久久久久_日本va欧美va国产激情

1. Bachelor degree or above in chemistry, pharmacy, analysis, biology, etc.

2. Work experience in purification preparation, ultrafiltration and liquid preparation system projects;

3. With strong self-learning ability and challenging spirit, I am able to go on frequent business trips in various cities in China and overseas.

4. Obey the work arrangement, be able to bear hardships and stand hard work, love the job and be dedicated, have strong communication skills, and have a strong sense of teamwork;

5. Relevant experience is preferred, with preferential treatment;

6. Good command of English;

1. Technical support for chromatography purification equipment;

2. Installation and debugging of chromatography equipment before sales;

3. Provide after-sales technical support for chromatography equipment;

4. Assisted the designer in compiling equipment operating procedures, introduction, application materials, publicity color pages, operation manuals, etc., and provided technical training for internal and external personnel;

5. Collect and sort out market information;

6. On-site or online technical consultation, maintenance and after-sales work of the equipment.