Product Category

Product Category

Premium Sweet Potato Processing Products for Global Food Manufacturers and Wholesale Buyers

Core Strengths in Numbers

1992
Over 3 Decades of Expertise
600 Tons
Daily Fresh Potato Processing Capacity
100%
Alum-Free & Clean Label
HACCP
Certified International Food Safety

"Sweet Potato Tech" & R&D Hub

We don't just process agricultural products; we redefine them through food technology, resource optimization, and green manufacturing.

Government-Honored Technical Pioneer

Officially recognized as a Provincial Innovative Enterprise and a "Specialized, Refined, Unique, and Innovative" SME. Our scientific infrastructure guarantees stable chemical and physical parameters for all starch exports.

Card 2: Future-Proof Whole Nutrition Vermicelli

Our dedicated lab is actively developing next-generation convenient staples using whole sweet potato nutritional processing technology, retaining 100% of the natural vitamins and dietary fibers to capture the global premium wellness market.

High-Efficiency Green Manufacturing

Practicing environmental stewardship by implementing full-scale technological upgrades for industrial water recycling. We heavily minimize water consumption per unit product, seamlessly matching your brand's global corporate ESG commitments.

Why Choose Tongyou?

From contract farming traceability to responsive after-sales, we safeguard your supply chain with uncompromised quality and bulk scalability.

Vetted Supplier to Market Leaders

Value for Buyer

We are an established, trusted supplier to prominent enterprises like Jinmailang and Xiabuxiabu, and have secured direct retail-ready product placement in the Wumart network. Our industrial scalability stands up to the most rigid corporate audits.

Secured Multi-Year Maritime Track Record

Value for Buyer

Successfully exporting to highly competitive markets including South Korea and Australia. We hold full production, sales, and export qualifications, being well-versed in global logistics tracking and international trade clearance.

Comprehensive, Risk-Free Service Cycle

Value for Buyer

We offer detailed pre-sales consultation and sample testing. For long-term contract purchases, we guarantee stable tiered pricing structures. Most importantly, we maintain a rapid-response feedback loop and take full financial responsibility for any verified quality issues.

about
About Us

About Us

Qinhuangdao Tongyou Potato Industry Co., Ltd.

Established in 1992, Qinhuangdao Tongyou Potato Industry Co., Ltd. is a modern agricultural enterprise deeply rooted in the “Hometown of Chinese Sweet Potatoes” – LuLong County. We specialize in the intensive processing and whole-industry-chain operation of potato and sweet potato products. After years of dedicated development, the increasing market demand for high-quality potato staples drove us to continuously expand our production scale and enrich our product portfolio.

Send Inquiry

Address

900 meters northwest of the intersection of Luchang Line and County Road 044 in Xiazai Township, Lulong County, Qinhuangdao City, Hebei Province, China

News

News

How to Choose Sweet Potato Starch and Sweet Potato Vermicelli with Confidence? A Visit to Qinhuangdao Tongyou Potato Industry Co., Ltd.

How to Choose Sweet Potato Starch and Sweet Potato Vermicelli with Confidence? A Visit to Qinhuangdao Tongyou Potato Industry Co., Ltd.

  • Entering the facility of Qinhuangdao Tongyou Sweet Potato Industry Co., Ltd. in Lulong County, one finds the company in the midst of its peak season for sweet potato harvesting and processing. Established in 1992—evolving from the former Lulong County Shuangli Vermicelli Factory—the company is exceptionally busy this year. Production lines in the workshops are running continuously, while starch and vermicelli—much of it destined for overseas markets—lie neatly stacked in the warehouses, awaiting shipment.
Why Is 400g Bag Handmade Sweet Potato Vermicelli a Smart Choice for Convenient, Flavorful Everyday Meals

Why Is 400g Bag Handmade Sweet Potato Vermicelli a Smart Choice for Convenient, Flavorful Everyday Meals

  • Tongyou offers 400g Bag Handmade Sweet Potato Vermicelli for consumers, food distributors, and retailers seeking a versatile noodle product with traditional craftsmanship and convenient packaging. Made from sweet potato starch, this type of vermicelli is valued for its pleasantly chewy texture, ability to absorb sauces, and suitability for soups, stir-fries, hot pots, and other everyday dishes.
Why Do South Korean Buyers Import Sweet Potato Starch from Lulong? A Look at the Loading and Shipment Process at Tongyou Potato Industry

Why Do South Korean Buyers Import Sweet Potato Starch from Lulong? A Look at the Loading and Shipment Process at Tongyou Potato Industry

  • Recently, at the facility of Qinhuangdao Tongyou Potato Industry Co., Ltd. in Lulong, Hebei, a dark blue container truck bearing the "Qinren Shipping" logo was being loaded for export. A Heli forklift lifted pallets of finished goods—packed in woven bags—while workers neatly stacked them inside the container; the container was then sealed, ready for shipment to South Korea. For South Korean manufacturers of glass noodles and other food products—who constantly seek stable supplies of potato-based raw materials—the key question is: why source this batch of sweet potato starch from Lulong, China, rather than other production regions?
​How Can Sweet Potato Vermicelli Processors Cut Costs and Boost Efficiency? Qinhuangdao Tongyou Potato Industry Solves Energy Consumption Challenges with Thermal Energy Storage

​How Can Sweet Potato Vermicelli Processors Cut Costs and Boost Efficiency? Qinhuangdao Tongyou Potato Industry Solves Energy Consumption Challenges with Thermal Energy Storage

  • Amid the ongoing push for "Dual Carbon" goals and policies controlling both total energy consumption and energy intensity, traditional agricultural product processing enterprises face dual pressures regarding environmental compliance and cost control. For industries like sweet potato vermicelli production—which require continuous heat supply for processes such as starch slurry cooking, gelatinization, and drying—reducing energy expenditure while maintaining product quality is a critical challenge. Recently, Qinhuangdao Tongyou Potato Industry Co., Ltd., a company with over thirty years of experience in sweet potato processing, installed new thermal energy storage equipment, offering a practical model for energy-saving upgrades within the industry.
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