ZGS Glass supplies sourdough starter jars for home baking brands, kitchen retailers, and gift program buyers. Wide mouth bodies from 500 ml to 1.5 L leave room for stirring and feeding, and graduated volume scales track each rise. Choose a loose glass lid, cloth band, or silicone seal, then add a spatula and a printed gift box. Our 4 hand blown lines cut U-groove texture for higher price point SKUs, and OEM starts at 1,000 pieces.
MOQ 1,000 pcs · Samples 7 to 10 days · Production 30 to 60 days

Sizes for single and double feed routines
Room for a spatula and a full rise
Tracking feed ratios and growth
Give the starter room to grow.
Review mouth widths, scales, and lid options before we cut your samples.
Design the jar around the routine.
Mouth width, lid style, and markings decide how a fermentation starter feeds, stirs, and reads day to day.
Build the baking line as one kit.
Tell us the baking story and the channel. We match the jar, lid, and gift format.
Home baking retail lines
Wide mouth jars with volume scales and loose lids, packed for kitchen retail programs that target sourdough hobbyists and daily bakers.
Baking gift sets
Jar, spatula, cloth band, and recipe card in one printed box, giving seasonal gifting a complete starter kit at one landed cost.
Kitchen organization merchandising
Graduated formats that sit with canisters and pantry ranges, so baking SKUs share one shelf story with the rest of a kitchen collection.
Sourdough jar questions, answered.
Baking buyers ask these five questions before they sample.
Q: Why do starter jars need a wide mouth?
A: A starter gets stirred, fed, and scraped daily. A narrow neck traps dough on the walls, blocks a spatula, and makes cleaning slow. Wide mouths from 80 mm up let tools move freely and let the rise expand without contact. Most home bakers quit narrow jars quickly, so retail programs favor wide formats.
Q: Do the volume markings survive dishwashing?
A: Yes. Graduations are molded into the glass, not printed on it, so heat and detergent do not remove them. Printed scales can flake in commercial washers, which is why we press the marks into the body. Dishwasher and hand wash cycles leave molded graduations readable for the life of the jar.
Q: Which audits does your factory hold?
A: We hold BSCI certification and have passed factory audits for IKEA, Walmart, Target, Disney, and Costco. Audit reports are available for your compliance file. The plant runs 16 lines with 890 workers under one roof, so social and quality checks cover the whole site rather than a sample corner.
Q: How do you control quality on starter jars?
A: Batches pass dimensional checks on mouth diameter, height, and scale placement, plus wash checks on clarity. Sealed lid versions get gasket fit tests. Our QC team releases or holds each lot before packing, and we send the inspection standard with your quote so expectations match from day one.
Q: What payment terms do you offer?
A: Standard terms are a deposit with the balance against shipping documents. We accept bank transfer and can discuss terms for established programs. First orders usually run 30 percent deposit, and repeat business moves to negotiated schedules. Tell us your purchasing policy and we will align the quote.
Make the jar fit the baker.
Share your baking concept, capacity plan, lid preference, and gift box needs. We will recommend a mouth width, graduation layout, accessories, and a sample path for your baking or gift program.
Zibo Great Sailing Light Industrial Products Co., Ltd. is one of the leading sourdough starter jars manufacturers and suppliers in China. We warmly welcome you to buy high-grade sourdough starter jars made in China here from our factory. All customized products are with high quality and competitive price.
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