The "Lulong Vermicelli" GI certification mark is increasingly attracting the attention of overseas buyers. Registered by the Lulong County Sweet Potato Planting Industry Association for use on Class 30 vermicelli products, the mark was registered in August 2018 and remains valid until August 2028. For importers, this certificate is far more than a mere decorative plaque; it represents an extra layer of assurance in their product selection process and makes production-area facilities—such as Qinhuangdao Tongyou Potato Industry Co., Ltd.—more easily identifiable to overseas buyers. It is worth examining exactly what this mark guarantees, particularly for buyers who prioritize the origin and quality of sweet potato vermicelli.
This autumn, the New Century Park in Haigang District, Qinhuangdao, buzzes with a special market. Under the theme "Supply and Marketing Builds the Stage to Boost Rural Revitalization," the 2026 Haigang Supply and Marketing Fair, paired with a harvest-season agriculture-helping livestream, brings local producers face to face with buyers. Among the booths stands Qinhuangdao Tongyou Potato Industry Co., Ltd., showcasing bags of authentic sweet potato starch and vermicelli made in Lulong, known nationwide as "China's Sweet Potato Hometown.
In September 2026, the "Hebei Clean Vegetables Entering Beijing" campaign—specifically the "Six-Channel Entry" initiative featuring a showcase and matchmaking event for institutional cafeterias—was held in Baoding City. Hosted by the Hebei Provincial Department of Agriculture and Rural Affairs and organized by the Baoding Municipal Bureau of Agriculture and Rural Affairs, the event saw the participation of Qinhuangdao Tongyou Potato Industry Co., Ltd. The company showcased its range of sweet potato starch and vermicelli products, attracting significant interest from attending buyers and distribution partners.
On an autumn day at the outdoor plaza in Xiong'an, beige exhibition tents stood side by side. In front of a booth bearing the red characters "Traditional Processing Techniques of Lulong Vermicelli," visitors examined the products on display while staff members attended to them inside. This was the scene where Qinhuangdao Tongyou Potato Industry Co., Ltd. participated in the "Intangible Cultural Heritage in Its Prime: Xiong'an Intangible Cultural Heritage Fair & 2025 Beijing-Tianjin-Hebei Intangible Cultural Heritage Joint Exhibition."
(Lulong, Hebei) – An e-commerce initiative designed to boost the sweet potato industry and celebrate the harvest—themed "Digital Commerce Revitalizing Agriculture"—was recently launched in Lulong County. Jointly organized by Lulong County and the Food, Wine, and Fresh Produce divisions of Taobao and Tmall, the event brought together local sweet potato growers, processing enterprises, and e-commerce operators. As a local manufacturer specializing in sweet potato products, Qinhuangdao Tongyou Potato Industry Co., Ltd. (hereinafter referred to as "Tongyou Potato Industry") showcased its sweet potato vermicelli and starch products at the launch ceremony, allowing visiting merchants to inspect samples and inquire about pricing on-site.
Recently, a group of out-of-town customers visited Qinhuangdao Tongyou Potato Industry Co., Ltd., to learn about the company's production, operation, and export qualifications, and held discussions with relevant company personnel.
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