Changle Yuanhua Industry and Trade Co., Ltd. (Weifang Yuanhua Plastic Products Co., Ltd.) was established in 2020, covering an area of 2000 square meters. Production of various HDPE/LLDPE and LDPE plastic products, including composite bags, flat food bags, Bin bag, t-shirt shopping bags, PE, CPE, TPE gloves and PE aprons. Pet toilet bag, film, zipper bag, Kraft paper bag, etc. Our company has over 200 employees and can produce 200000 tons of plastic products annually, with good quality and reasonable prices. Yuanhua always adheres to the principle of "efficient service is always our pursuit and commitment." During the production process, we require workers to conduct self inspection to ensure that all finished products are of qualified quality before delivery. Our factory has also established a complete quality control system and ISO9001, and has passed certifications such as SMETA and BSCS. We are delighted to welcome you to visit Yuanhua factory with 24-hour online service every day.


The company was established in 2020


Covering an area of 20000 square meters


More than 200 technical personnel

Corporate Style

Excellent quality system

The company adheres to the quality goal of "high standards, high requirements, and high precision" and has passed the ISO-9001:2015 quality system certification to ensure the quality of the factory products.

Good corporate reputation

With excellent product quality, thoughtful service guarantee, and good corporate reputation, we have won the trust and support of a large number of users.

Comprehensive after-sales service

The company has always adhered to the principle of "quality for development, reputation for expanding the market, and sincerely hopes to cooperate with friends from all walks of life at home and abroad to create brilliance.

Technology, Process, and Equipment

With Vanguard International Semiconductor Corporation fully automatic production equipment, technology and mature process, we ensure to provide customers with high-quality products.










Putting people first, putting morality first, and winning with quality.

Corporate Vision

Build a professional product packaging production leading enterprise, adhere to the use of environmentally friendly materials, from raw material procurement → production → transportation → customers, and provide customers with safe and hygienic environmentally friendly packaging. Putting people first, putting morality first, and winning with quality, Changlong emphasizes understanding human nature, respecting, caring for, loving, nurturing, and educating people. Establishing a people-centered management philosophy, Changlong adheres to the principle of putting morality first and advocates a corporate spirit of unity, pragmatism, integrity, and innovation. Changlong adheres to the management philosophy of winning with quality and putting quality first.


Based on technology, service leads to success.


Excellent technology is the cornerstone of an enterprise and a guarantee of high-quality products. We provide products and services to customers, and strive to exceed their expectations as much as possible to save money for them. Business should be creative, brand management should prioritize reputation, and establish a good public image. Talent is the top priority in the operation of an enterprise, and talent is the key factor in the enterprise. Changlong always adheres to the principle that talent is a valuable asset of the company and the fundamental foundation of entrepreneurship. It is necessary to fully leverage the value of talent elements, as talent is the driving force for the company's sustainable development. It creates a harmonious working environment for employees, respects talents, appoints people based on merit, values human values, and advocates for humanistic spirit. It is the talent that supports the future of various fronts of Changlong, the hardworking employees of Changlong, and the precious wealth of Changlong.

To communicate with others, honesty is gold.

Corporate Mission

Harmonious society, healthy life, creating value and wealth for society, improving people's production and quality of life, and striving for production safety and environmental protection packaging. Changlong will provide services to customers and respond to their needs in a friendly, fast, and reliable manner. Customer needs are our guide to action, customer desires are our direction for improvement, customer satisfaction is our pursuit goal, and customer value is our fundamental interest. Respect human rights, provide a good work environment, create a workplace where all talents can unleash their talents, and give employees the opportunity to realize their self-worth.

Branch Introduction

Lianyungang Changlong Packaging New Materials Co., Ltd

Our company is a new type of enterprise that produces plastic products, with the right to self operate import and export. All the raw materials used are imported from the Middle East, Thailand, Taiwan, and other regions. The company specializes in producing all kinds of HDPE/LDPE/LLDPE plastic bags (flat bags, vest bags, Bin bag) and special-shaped plastic products (PE gloves, aprons, PE single films, PE fresh-keeping films, PE winding films, etc.).