Open a sample bag of Bai Zhu from Bozhou and the first thing a buyer notices is not the aroma — it is the uniformity. Pale ivory slices, roughly oval, cut thin enough to read the grain through them, with a narrow brown rim where the rhizome skin sits. No dust cloud. No shattered fragments at the bottom of the bag. For a distributor sourcing Atractylodes macrocephala at volume, that consistency is the whole conversation.
Anhui Weibo Traditional Chinese Medicine Co., Ltd. has been cutting, extracting and packing herbal material in Bozhou — the city Chinese medicine calls its capital — for over two decades. What follows is what the photographs actually show, and what sits behind them.
What the Bai Zhu slices look like, and why the cut matters
The images show Bai Zhu (Rhizoma Atractylodis Macrocephalae) sliced across the rhizome: flat, off-white to pale cream in the cross-section, some pieces slightly curved, a small number showing a darker vascular ring. The slices are dry, matte, and free of the blackened edges that signal poor drying or delayed processing.
Two details are worth pointing out to anyone comparing suppliers.
The sieve spec is printed on the pack. The retail pouch in the photographs carries a 1.2 cm sieve size, meaning the material has been graded by size rather than simply scooped and bagged. Sieve grading gives downstream users — decoction packers, granule plants, hospitals — a predictable piece count per kilo and a predictable surface area for extraction. It also cuts the fines that clog dispensing machinery.
The cut is thin and even. Thin slicing increases the surface-to-mass ratio, which shortens decoction time and improves extraction yield in water and ethanol systems. Even thickness means even hydration, so a batch does not split into over-extracted powder and under-extracted chips.
That is not marketing language. It is the practical difference between buying a raw agricultural commodity and buying a prepared slice.
Grading against a reference card, not against memory
Two of the images show the sliced material laid out on a 20 × 15 cm standardisation card — a grid with printed colour reference bands for red, yellow, green, purple and brown tones, plus a measuring scale along the edge.
This is how the slice is assessed in practice: colour against a fixed swatch rather than against what the last batch happened to look like, dimensions against a ruler rather than by eye, and impurities checked piece by piece across the spread. Buyers receive material evaluated on those terms — not on a subjective sense of whether it "looks right today."
For an importer building a private-label line, that method is the one that survives staff turnover. The standard stays on the table; the person holding it can change.
The plant behind the pouch
Anhui Weibo operates a single site of roughly 40,000 m² in the Bozhou High-Tech Industrial Development Zone — offices, R&D and production inside one campus, with registered capital of RMB 10 million and a workforce of over 100, of whom 58 are technical staff.
The workshops were designed around the process flow rather than retrofitted to it: separate, independent lines for prepared slices, extraction and finished preparations. In a sector where cross-contamination between raw herb handling and finished-dose manufacturing is a genuine risk, physical separation is the first control, not the last.
Capacity as stated by the company:
Multiple prepared-slice lines producing more than 2,500 tonnes of herbal slices annually across 500-plus varieties.
Three extraction lines with 500 tonnes of annual extract output.
One line each for tablets, capsules, granules and oral liquids, with annual preparation output of 20 million boxes.
The company holds 21 approved drug numbers for Chinese and Western medicines, including two exclusive varieties and eight listed as essential medicines. Management systems are certified to ISO 9001, alongside occupational health and safety and environmental management system certification.
One-hand sourcing on imported raw material
Bozhou is a trading city as much as a manufacturing one, and Weibo buys on both sides of the border. The company imports herbs directly from origin suppliers and handles its own customs declaration and clearance — a chain that matters when you are buying myrrh, frankincense, Chebulae Fructus Immaturus, senna leaf or chebulic myrobalan.
Cutting out the intermediary layer on imported material does two things for a distributor: it shortens the time between harvest and processing, and it keeps the documented chain of custody to a length you can actually audit.
Where the material ends up
Bai Zhu is a workhorse. It appears in classical formula dispensing, in hospital decoction services, in granule and extract manufacturing, and increasingly in food-adjacent and wellness applications where the ingredient must be clean and consistent rather than merely present.
Weibo's range extends past the single herb. Alongside the prepared slices, the company produces herbal sachets from pure herb formulations — blended for refreshment and for keeping insects away — and, under its TUOWEITANG brand, a flower tea series of rose, goji, honeysuckle, lily and Pangdahai, positioned as food-and-medicine dual-use material with selected raw stock.
The pouch in the photographs carries the TUOWEITANG mark and a decorative print of a river town — packaging aimed at a consumer-facing shelf, not a bulk sack. Distributors who need retail-ready presentation get it from the same line that fills the bulk orders.
The industry view: slices are a trust product
Herbal slices are one of the few categories where the buyer can judge quality with their eyes before committing money — colour, cut, dryness, smell, the absence of dust. That transparency is also the trap. A single photograph will flatter a bad batch. What separates suppliers is whether the tenth container matches the first sample.
That is a systems question, not an agricultural one. Sieve grading, colour-standard grading, separated production lines, and management certification are the mechanisms that make consistency repeatable rather than lucky.
The company's stated operating principle — "do what is right, and do it right" — is the kind of line every manufacturer prints. What backs it here is a documented list: China Pharmaceutical Quality Management Advanced Enterprise, Top Ten Pharmaceutical Traders of Anhui, Anhui Famous Trademark, AA-grade enterprise recognition from the Bozhou food and drug authority, and a place among the city's top ten private enterprises.
Talk to the source
Samples, specifications and quotations for Bai Zhu slices and the wider catalogue are handled directly by the company. Buyers who want to compare sieve sizes, review the grading method, or discuss private-label packaging should make contact before the next sourcing cycle closes.
Anhui Weibo Traditional Chinese Medicine Co., Ltd.
Address: No. 1555 Yangsheng Avenue, High-Tech Industrial Development Zone, Bozhou, Anhui, China 236800
Contact: Wang Peng
Mobile: +86 155 5526 8888
Landline: +86 558 280 5555
Email: weiboyy2023@qq.com
Website: http://www.weiboyy.cn/ | www.weiboherb.com
Sister company: Bozhou Yaobo Pharmaceutical Co., Ltd., Building C5-109, Kangmei Phase II, High-Tech Industrial Development Zone, Bozhou, Anhui 236800, China
Send your specification sheet, target volume and destination port. You will get a sample that matches the card — and a price that reflects buying straight from the line.