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This project is a core supporting facility for Wansongtang Health Group’s health industry. It builds an 8,000㎡ Class 100,000 purification workshop dedicated to the R&D and large-scale production of solid beverages (meal replacement powders, health powders, instant foods). Ancillary systems include warehousing, changing rooms, air showers, HVAC purification, and purified water. The workshop meets SC, ISO22000, and FDA certification standards, establishing a high-standard OEM/ODM production base for solid beverages in Central China.
Hubei Wansongtang Da Jiankang Pharmaceutical Group Co., Ltd. (“Wansongtang”), founded in 1996, is a national high-tech enterprise and a provincial leading agricultural industrialization enterprise. Its main business covers R&D and production of solid beverages, substitute teas, health foods, and special dietary foods. It holds multiple invention patents, SC, ISO9001, ISO22000, HACCP, and US FDA certifications. With an annual output exceeding RMB 1 billion, it is a leading domestic OEM/ODM provider of health products.
In response to the “Healthy China” strategy and leveraging Suizhou’s resources as the hometown of Emperor Yan, this project builds an 8,000㎡ Class 100,000 purification workshop. It features functional zones for raw material mixing, granulation, inner packaging, and finished product storage. Equipped with fully automatic powder/granule packaging lines, screw dosing machines, high-efficiency mixers, and a centralized HVAC purification system, the workshop enables standardized and intelligent full-process production of solid beverages. Upon completion, it will have an annual output of 5,000 tons of solid beverages and a monthly capacity of 120 million sachets of instant foods, meeting domestic and international order demands while enhancing capacity, quality, and competitiveness.
This project is entrusted to our experienced cleanroom construction team, which consists of 5 project managers, 15 engineers, and 40 skilled technicians. All team members hold relevant professional certifications and have undergone specialized training in cleanroom construction, thereby ensuring the project's high quality and timely completion.
Solid beverage powder is prone to dust dispersion, moisture absorption and agglomeration. Traditional design usually leads to unstable humidity, dust cross-contamination and static adsorption problems. The 8000㎡ large-area workshop easily causes uneven airflow, cleanliness dead zones and regional temperature & humidity deviation, which affects product quality consistency. It is required to balance production efficiency, daily cleaning maintenance and future capacity expansion, while traditional fixed layout lacks flexibility.
Process Layout Design: Adopt one-way flow and physical isolation layout, divided into raw material pretreatment area, mixing and granulation area, inner packaging area, finished product temporary storage area and outer packaging area. Independent personnel changing area, air shower channel and material transfer channel are configured to separate personnel flow and material flow completely. The powder production zone adopts closed independent layout to prevent dust diffusion and avoid cross-contamination fundamentally.
Enclosure Structure Design: Walls and ceilings adopt 50mm Class A fireproof and antibacterial color steel plates with seamless arc corner treatment (R ≥ 50mm) to eliminate dust accumulation gaps. The floor adopts 2mm anti-static epoxy self-leveling floor with surface resistance of 10⁶-10⁹Ω, featuring corrosion resistance, easy cleaning and static prevention. Airtight clean doors and double-layer hollow observation windows are equipped with food-grade anti-mildew sealant to ensure air tightness and isolate outdoor humid air.
Adopt combined air conditioning unit with G4 primary efficiency, F8 medium efficiency and H14 high efficiency three-stage filtration to meet Class 100,000 cleanliness standard. CFD airflow simulation technology is applied for large workshop air supply optimization to eliminate airflow dead zones, maintaining 10-15Pa positive pressure in clean areas. Independent dehumidification system keeps stable humidity at 45%-55%RH with fresh air ventilation rate ≥15 times per hour, thoroughly solving powder moisture absorption and agglomeration problems.
High-precision temperature, humidity, pressure difference and particle detection sensors are deployed to build central intelligent control system, realizing real-time data monitoring, automatic parameter adjustment and abnormal alarm. Reserved expansion interfaces support future equipment upgrading and capacity expansion, balancing current application and long-term development.
Complete construction drawings, structural details and system calculation documents are delivered in the design phase, which passed joint review by the owner, supervision institute and third-party compliance organization without major design modification. It provides accurate construction blueprint and reflects Deiiang’s professional customized design capability in food purification engineering.
Standardized Construction & Full-process Quality Control: Implement Deiiang internal cleanroom construction standard manual, adopting four-level quality control process: material entry inspection, procedure acceptance, concealed engineering confirmation and sub-project final inspection. All raw materials are attached with food-grade and fire-proof inspection reports; core materials such as color steel plates and high-efficiency filters are supplied directly by original manufacturers to guarantee quality.
Zoned Construction & Cross-professional Coordination: The 8000㎡ workshop is divided into 4 independent construction zones for phased flow operation. Weekly professional coordination meetings are arranged to optimize construction sequence. Concealed pipelines, air ducts and cable trays are constructed and accepted first, avoiding secondary demolition and damage to clean enclosure structure.
Special Solution for Plum Rain Season Construction: Temporary dehumidification facilities are arranged to control construction environment humidity below 60% in advance. Epoxy floor is constructed by two-layer brushing with sufficient curing period. Special sealant is used for color steel plate joint sealing and kept closed maintenance within 24 hours to ensure airtight performance.
Deploy senior construction team with average industry experience over 8 years, all key operators hold professional certificates. Full-time safety management is implemented on site to standardize construction operation, achieving zero safety accident and zero quality accident throughout the project. The project was completed 15 days ahead of scheduled time, with all key indicators including enclosure tightness, electromechanical installation accuracy and floor flatness reaching standard at one time, fully demonstrating Deiiang’s comprehensive strength in large cleanroom project delivery.
