Job Responsibilities: Fully responsible for the daily management of the Tianjin Technology Center, reporting to the Director of the Technology Department. Lead the scheme design, technical bid preparation, process route optimization, construction drawing review, and cost control of the zero-discharge evaporation crystallization project for wastewater. Manage the design schedule for the entire project lifecycle, coordinate design and commissioning tasks, and solve complex technical problems during on-site commissioning. Job Requirements: Gender: Male Age: 30-40 Education: Bachelor's degree or above Major: Chemical Engineering and Technology, Salt Chemical Engineering Experience Requirements: 1. 8+ years of experience in evaporation crystallization project design, 3+ years of team management experience. 2. Independently designed 5 or more zero-discharge evaporation crystallization projects for wastewater. 3. Proficient in using design software such as AutoCAD, and has strong technical documentation writing skills. Work Location: Tianjin Suggested Salary Range: 18000-25000 RMB/month

Job Responsibilities: Responsible for technical support related to evaporation and crystallization, able to independently complete project proposals and bidding documents; Based on the winning design scheme, independently complete the process engineering drawings and material preparation for various professions; Responsible for technical exchanges with users, explaining the company's technology and services, understanding user needs and answering questions; Do a good job of technical coordination with other departments; Participate in the commissioning of evaporation and crystallization equipment and assist in the completion of acceptance work. Qualifications: Gender: Male Age: 28-35 Education: Bachelor's degree or above Major: Chemical Engineering and Technology, Salt Chemical Engineering Work Experience: 1. More than five years of experience in evaporation and crystallization, proficient in tubular and plate heat exchangers, evaporation design principles, familiar with its workflow and calculation; 2. Have a deep theoretical foundation in chemical engineering, and can perform material, energy, and equipment parameter balancing for the evaporation and crystallization process; 3. Proficient in using CAD software and other common office software, able to independently write engineering technical proposals, bidding documents, and cooperate with sales for technical exchanges; 4. Proficient in multi-effect and MVR evaporation and concentration, evaporation and crystallization processes, and freeze crystallization processes; completed more than 5 evaporation and crystallization device process design work; 5. Have good communication and coordination skills, and teamwork ability. Work Location: Tianjin Suggested Salary Range: 12000-18000 RMB/month

Work City: Beijing - Chaoyang District Salary: 6000 RMB/month Full-time: Bachelor's degree Major: Environmental Engineering, Energy and Environmental Protection related majors, Automation, Computer Science and Technology, Measurement and Control Technology and Instrumentation I. Job Requirements: 1. Bachelor's degree or above, environmental engineering majors preferred. 2. Outgoing, optimistic, and possess good teamwork spirit. 3. Preference given to candidates with outstanding student leader awards or participation in academic competitions. 4. Relevant internship experience, familiar with company workflows, and able to quickly start work.

Work City: Tianjin - Wuqing District Salary: 11,000-15,000 RMB Job Category: Mechanical Equipment Engineer Experience: 3-5 years Education: Bachelor's Degree Job Responsibilities: 1. Equipment installation and commissioning; 2. Collect technical information and market supply information related to the supply of products, and provide suggestions for the company's supply decisions; 3. Pre-sales and after-sales technical support; 4. On-site technical support; 5. File management of equipment and products, and preparation of related documents; 6. Complete other tasks assigned by the leader. Requirements: 1. Major in Mechanical Design, Mechatronics, Chemical Machinery or related fields; more than 3 years of experience in production; 2. Understanding of production management knowledge; 3. Basic knowledge of financial management, law, and product characteristics; 4. Preference given to candidates with experience in mechanical design, basic PLC knowledge, production scheduling, and planning; 5. Proficient in using WORD, EXCEL and other office software, and have basic network knowledge; 6. Familiar with Kingdee and OA systems. Benefits: Five social insurances and one housing fund, meal and communication subsidies, regular physical examinations, holiday benefits, regular team building, paid annual leave, performance bonus

Job Location: Tianjin - Wuqing District Salary: 8,000 - 12,000 RMB Job Category: Sales Engineer Experience: 3-5 years Job Type: Full-time Education: College Diploma Job Responsibilities: 1. Responsible for business development and sales of company's agency products (DuPont ultrafiltration membrane/reverse osmosis membrane); 2. Responsible for business development and sales of company's own products; 3. Responsible for customer development, tracking and maintenance of customer relationships; 4. Responsible for coordinating the contract signing process; 5. Responsible for actively developing and maintaining customers, potential customers, project partners, design institutes, etc. in related industries, maintaining good and close communication and cooperation; 6. Responsible for completing annual sales targets. Job Requirements: 1. Priority will be given to candidates with relevant majors such as environmental engineering, marketing, and chemistry, with a college diploma or above; 2. 3 years or more of working experience, 2 years or more of sales experience in environmental water treatment, familiar with the market resources of peers in North China is preferred; 3. Good at socializing, like expanding contacts, like sales, with extensive effective resources in the same industry, considering long-term development in the environmental protection industry. Benefits: Five insurances and one housing fund, meal allowance, communication allowance, regular physical examination, festival benefits, regular team building, paid annual leave, performance bonus

City: Tianjin-Wuqing District Salary: 3.5-4 thousand Job Category: Production Worker Experience: 3-5 years Job Nature: Full-time Education: High School Responsibilities: 1. Obey assignments, follow instructions, strictly abide by various operating procedures and regulations to standardize production; 2. Regularly check the operating status of equipment, perform daily maintenance, report and handle problems in a timely manner to ensure safe production operations; 3. During production, if any quality problems are found in the products, production should be stopped, and the problems should be handled or reported immediately; 4. Save energy, cherish materials, promptly pick up dropped materials and product waste, isolate them in separate boxes, and eliminate waste factors; 5. During machine repair and mold change downtime, on-duty personnel are not allowed to leave their posts without authorization. When leaving, they must obtain the consent of the executive manager. The replaced molds and tools must be returned to their original places; 6. Regarding product operations, employees should enhance their innovation capabilities, improve work quality and efficiency, and everyone should be aware of improving the company's image; 7. Clean the workbench and equipment every day after work, maintain workbench hygiene, perform daily sanitation duties, and be responsible for daily cleaning of the workshop. Benefits: Five insurances and one housing fund, performance bonus, meal allowance, communication allowance, paid annual leave, regular physical examination, weekend double rest