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Talent Philosophy


Guided by its core values of "Zero Contamination, Zero Defects, Zero Distance," LENGE PURIFICATION is dedicated to building an elite team that is professionally excellent, innovative, constantly striving for higher goals, and growing together with the company.

Adhering to the philosophy of "Quality as the Foundation, Service as the Mission," LENGE PURIFICATION provides one-stop services to clients in industries such as pharmaceuticals, food, microelectronics, and environmental protection.

Talent Philosophy
Talent Philosophy

Looking forward to having you onboard.


Zero Contamination represents our pursuit in products; Zero Defects reflects our quality philosophy; Zero Distance embodies our service commitment. LENGE PURIFICATION continuously drives the development of its core competitiveness, integrates a professional team, constantly surpasses itself, and scales new heights, working hand in hand with clients to achieve a shared vision!

Filtration Technology Engineer/Researcher
Edu Undergraduate
Num 1
Main Responsibilities: 1. Design or improve liquid filter cartridges made of PES, PTFE, PP, NYLON, etc., providing customized filtration solutions for customers; 2. Provide validation services for liquid filter cartridges according to customer needs, including microbial challenge, leachate/exudate detection, and chemical compatibility testing; 3. Assist sales in resolving product application issues at customer sites; 4. Provide professional filtration technology training and daily technical services to customers; 5. Cooperate with the sales department in technical bidding and conduct technical liaison with sales personnel or clients. Job Requirements: 1. Bachelor's degree in Pharmaceutical Engineering, Bioengineering, Mechanical Manufacturing, or other STEM fields; 5+ years of work experience; Master's degree; 3+ years of work experience; 2. Prior experience in the production, testing, or R&D of pharmaceutical injections or lyophilized powder injections is preferred; 3. Prior experience in filter cartridge production, testing, R&D, and sales is preferred; 4. Strong analytical and hands-on skills; understanding of sterile drug production or testing equipment; 5. Willingness to travel periodically; 6. Pleasant appearance and demeanor.
Senior Sales Engineer
Edu Junior College
Num 1
Job Requirements: 1. College diploma or above, age 23-28, gender not limited, fluent Mandarin, presentable appearance; 2. Strong learning and research ability, able to quickly master the company's product technology and provide more professional customer service; 3. Excellent interpersonal skills, marketing ability, and negotiation skills; 4. Excellent recent graduates, all majors welcome; 5. Hardworking and able to endure long-term business trips (1-1.5 months). Notes: 1. Please attach a recent photo; 2. When applying, please describe in detail the customer group you targeted in your previous sales work.
Regional Sales Manager
Edu Junior College
Num 1
Job Requirements: 1. College diploma or above, age 30-38, gender not limited, presentable appearance, articulate speech, and passionate about work; 2. Priority will be given to candidates with over 5 years of sales management experience in pharmaceutical, electronics, or food manufacturing industries; 3. Strong learning and research abilities, able to quickly master the company's product technology and provide more professional customer service; 4. Strong verbal and written communication skills; confident and resilient; 5. Strong management, leadership, and execution abilities; 6. Hardworking and able to endure hardship. Notes: 1) When applying, please describe the target customer group of your previous sales work; 2) Please attach a recent photo.

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