Xuzhou Zhengxin Glass Products Co.,Ltd. is one of the top glass bottle manufacturers in China. An industry and trade company integrating development, design, production, sales and trade. We offer bulk glass bottles in different shapes and sizes, including Woozy Hot Sauce Bottles, Clear Glass Woozy Bottles 12 Oz, 5 Oz Glass Bottles With Caps, Glass Woozy Bottles, etc.
Why Choose Us
Production Capacity
We operate 16 cutting-edge glass bottle production lines and no fewer than 25 state-of-the-art furnaces. Our production capabilities allow us to accept large-volume orders year-round, offering a wide range of shapes, sizes, and colors.
Product Application
We have the expertise and capacity to serve a diverse range of industries and clients, including traders, perfumers, cosmetic companies, and food and beverage manufacturers.
Quality Control
All our products are meticulously manufactured in strict adherence to industry standards. We implement a comprehensive quality testing process throughout the entire production cycle.
Custom Service
To meet a variety of customer needs, we offer highly customizable services. If you have specific requirements or creative ideas, please feel free to reach out. Our team is always ready to work with you to create the ideal packaging solution for your products.
We offer stock and custom food grade sauce glass bottles in a variety of shapes, sizes and finishes. Choose from a large stock portfolio. sauce glass bottles are 100% recyclable.
Sauce Glass Bottle Specifications
Capacity
3oz, 5oz, 8oz, 12oz, 16oz
Color
Clear glass bottle is ready for your custom label but equally handsome when left unlabeled.
Neck
Standard GPI finishes, standard DIN finishes, or custom finishes
Shape
Round, oblong, oval, rectangle, rounded square, square, hexagon
Decorations
Frosted (acid etching), color spray (glossy, matte, soft touch, gradient), silkscreen, PS/ACL (decal), embossing/debossing, heat transfer, electroplating (metallic), sandblasting, and labelling.
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Sauce Glass Bottle Raw Materials
Sand (Silica)
This is the primary ingredient and makes up around 70% of the glass. The high silica content gives the bottle its transparency and strength.
Soda Ash
Soda ash helps lower the melting point of silica, making the manufacturing process more energy-efficient.
Limestone
Limestone adds durability to the glass, preventing it from dissolving in water or becoming too brittle.
Step 1
To make sauce glass bottles, you need a handful of key ingredients, most of which are natural and abundant.
These raw materials are mixed together in precise proportions to create a batch. Recycled glass, or cullet, can make up to 80% of this mixture in some cases, which makes sauce glass bottle production one of the more sustainable forms of manufacturing.
Step 2
Melting the Batch Once the raw materials are combined, it's time to melt them down. The batch is transferred to a furnace, where it's heated to about 1700°C (over 3000°F).
At this temperature, the silica, soda ash, and limestone fuse together, transforming into molten glass. Most modern glass-making facilities use continuous furnaces, meaning the batch is continuously fed into one end while molten glass is drawn out from the other. This ensures a steady flow of material for bottle production.
Step 3
Forming the sauce glass bottle Shape Now that we have molten glass, it's time to shape it into the sauce glass bottle form. There are a few methods used to mold sauce glass bottles, but the most common is the blow and blow technique, especially for bottles designed to hold liquids like soda, beer, or wine.
During this stage, precise measurements and mold designs ensure consistency in shape, size, and thickness across large batches of bottles.
Step 4
Annealing – Strengthening the Glass Once the bottle is formed, it's still very hot and needs to be cooled gradually. Rapid cooling could cause the glass to become brittle and break easily. To prevent this, bottles go through a process called annealing.
In the annealing process, the bottles are slowly cooled down in an annealing oven, or lehr, which typically takes a few hours. This gradual cooling process helps relieve internal stresses in the glass, making the bottles much more durable and resistant to shattering.
Step 5
After the bottles have been annealed and cooled, they are inspected for quality. This is one of the most crucial steps in the production of sauce glass bottles because even the tiniest defect could lead to a bottle breaking during transport or use.
Any bottles that fail inspection are crushed and sent back to the furnace as cullet to be recycled.
Step 6
Labeling, packaging, and shipping once the bottles pass inspection, they are ready to be labeled, packaged, and shipped off to their respective industries.
Depending on the type of bottle, different labeling methods May be used—some labels are printed directly onto the glass, while others are applied as stickers or shrink-wrapped around the bottle.
From here, the bottles are boxed up and distributed to companies that fill them with everything from beverages to beauty products, oils, sauces, and more.
Communicate Your Bottle Ideas To Create Bottle Drawing
For brand owners who desire custom sauce glass bottle designs, taking advantages of the market tendency is the key step for your custom bottle project successful. It is important to take the bottle size, bottle shape, closure style into consideration when you developing your art drawing. Also, some brand owners prefer glass with embossed logo or debossed logo to showcase their brand designs.
Develop 2D or 3D Bottle Drawing
With the approval of technical drawing, our bottle designing team will give the 2D even 3D drawing based on detailed measurement, including bottle weight, height, diameter, neck-finish etc.
Make The Molding
Developing correct and quality bottle mold is the key process for custom sauce glass bottle manufacturing.
Different packaging industries have different requests for mold material. Commercial glass bottles and jars for food and beverages require standard molding.
Setup Sample Production
Are you worried about the custom sauce glass bottle manufacturing or quality issues about your customized sauce glass bottles? Setting physical bottle sample production is the perfect way to check the custom designed bottles. After making bottle mold, some brand owners require sample production to check quality and may have some modifications.
Mass Production For Custom Designed Bottles
We produce and post sample bottles for client's approval. Once confirm the sample bottles, your custom sauce glass bottle will be under mass production as requested. sauce glass bottle manufacturing is operated with standard custom sauce glass bottle process.
Quality Inspection
Manufacturing custom sauce glass bottles is never the last step for custom made bottle process. High quality is demanded for custom designed bottles, just as wholesale sauce glass bottles manufacturing. We have our own strictly inspection system both automatically and manually. Our mission is to supply highest level sauce glass bottle production and our goal is to supply best glass products to satisfy customers.
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As one of the most professional sauce glass bottle manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale bulk customized sauce glass bottle made in China here from our factory.
Sauce Glass Bottle, Glass Woozy Bottles, 5 Oz Glass Bottles With Caps