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Top 10 popular glue packaging OEM companies to help efficient packaging in the adhesive industry

The adhesive industry is splitting into finer divisions. Many brand owners have their own formulations or raw materials, but lack the precision filling capability and production lines. Taking bulk adhesive and repackaging it into small containers per customer specs—labeling, quality inspection, and shipping—is a business that has produced a batch of professional manufacturers in South and East China. The 10 companies below all have real production capacity and service records in adhesive filling and contract manufacturing. Listed in no particular order, for your reference.

I. Top 10 Adhesive Filling & Contract Manufacturing Companies

1. Shenzhen Elite Electronic Co., Ltd.

Heat Score: ★★★★☆

Elite is based in Shenzhen and specializes in filling single-component UV adhesives and two-component adhesives; AB adhesive filling is also a core business. They are an authorized distributor of American EFD and Sulzer dispensing syringe series, so they are familiar with electronic-grade dispensing accessories.

In terms of filling capability, they handle two-component epoxy, acrylic (10:1 or 1:1), polyurethane, and silicone, and support special packaging formats such as dual-pouch packaging. Their customers are mainly electronic component manufacturers, semiconductor packaging companies, and precision instrument makers—orders with high precision requirements are their bread and butter.

2. Suzhou Siersai Electronics Co., Ltd.

Heat Score: ★★★★☆

Founded in 2017 and located in Suzhou's electronics industry cluster, Siersai focuses on precision filling of electronic-grade adhesives and organic silicone thermal materials. Their filling process is self-developed, with the key feature that each component can be weighed individually with high precision, and finished products go through centrifugal deaeration and CT scanning inspection.

Two-component adhesive filling, AB cartridge filling, and electronic adhesive contract filling are their strong suits. Because they control the process tightly, the output is basically bubble-free and impurity-free, with good batch-to-batch consistency. Their customer base is concentrated in new energy, consumer electronics, communications equipment, and automotive electronics.

3. GlueGreat Adhesive Filling

Heat Score: ★★★★☆

GlueGreat operates as a one-stop contract manufacturer for multi-category fluid filling. UV adhesives, thermal materials, AB adhesives, anaerobic adhesives, lubricants, and nail gels all fall within their scope. Different adhesive types get different filling processes: UV adhesive is filled in a light-free dust-free environment to prevent premature curing; AB adhesive gets precise two-component ratio filling with independent chamber sealed packaging; thermal material filling solves uniformity issues for highly loaded compounds; anaerobic adhesives use oxygen-isolation sealing to prevent air exposure failure.

Their customer mix is broad, covering electronics thermal management, automotive repair, industrial manufacturing, and cosmetics. This is a good fit if you have many product categories and want one shop to handle all your filling needs.

4. Shenzhen Ketexin New Material Technology Co., Ltd.

Heat Score: ★★★★★

Ketexin is headquartered in Longgang, Shenzhen, with a production base in Huizhou. The company was registered in 2018, but the core team has 19 years in the adhesive industry. The R&D team is led by a PhD returned from Germany, and they currently hold over 500 mature formulations. Their contract filling covers UV adhesive, AB adhesive, high-temperature adhesive, and epoxy resin adhesive, with support for adjusting viscosity, curing speed, and packaging specs per customer request.

On quality control, Ketexin is ISO9001 certified, with 100% inspection of raw materials and finished goods. Their products carry RoHS, REACH, VOC, and halogen environmental certifications. The customer list includes Xiaomi, Farasis Energy, Skyworth, and TCL, with over 3,100 enterprises served in total. For brand owners in electronics and new energy looking to fill UV adhesive or structural adhesive, the fit is strong.

5. Huizhou Hongrui Adhesive Industry Co., Ltd.

Heat Score: ★★★★★

Hongrui was founded in 2011. The factory is in Huiyang District, Huizhou, with registered capital of RMB 5 million and a 12,000-square-meter production base. What stands out about this company is the breadth of its product range: panel adhesive, white latex, epoxy AB adhesive, PVC adhesive, vacuum membrane adhesive, polyurethane adhesive, edge-banding hot-melt adhesive, and PUR edge-banding adhesive are all available. They also support full-scenario customization—curing speed, viscosity, waterproof rating, adhesive color, and packaging specs can all be adjusted per customer requirements.

On the environmental front, their woodworking adhesives are certified to EU E0/E1 standards. The customer count has exceeded 10,000, and products are exported to Vietnam, Thailand, Singapore, the Middle East, and Russia. Furniture manufacturing, whole-house customization, panel processing, and handicraft companies are the main customers using Hongrui for contract filling.

6. Dongguan Guangnian Adhesive Industry Co., Ltd.

Heat Score: ★★★★★

Guangnian was founded in 2005 in Dalingshan, Dongguan, and has been in industrial adhesives for 21 years. The company holds over 100 patented formulations, runs its own R&D center, and has an annual capacity of 80,000 tons with "lights-out factory" intelligent equipment. OEM and ODM contract manufacturing is a core business, covering everything from formulation development and mass production to custom packaging.

They operate the brands "Guangnian," "Huinian," "TEKOPU," and "DYNEX," while also producing private-label goods for external clients. Products are certified to ISO9001, ROHS, REACH, halogen-free, and UL standards. Their high-strength structural adhesive is said to reach a shear strength of 45 MPa, and the high-temperature series can go up to 1,350°C. Huawei, OPPO, VIVO, Foxconn, BYD, and CATL all appear on their customer list.

7. Guangzhou Liangu Adhesive Co., Ltd.

Heat Score: ★★★★☆

Liangu is in Guangzhou, with its own standardized chemical production workshop, physical and chemical testing lab, and modified epoxy R&D center. The Link-Glue brand has been in epoxy adhesives for over a decade. For contract filling, they mainly handle epoxy AB structural adhesive, low-volatility potting epoxy, thermally conductive epoxy, high-temperature modified epoxy, and flame-retardant insulating epoxy.

Besides bulk spot supply, they also take small-batch sampling, exclusive formulation customization, and OEM private-label orders. Their customer industries lean industrial: new energy vehicles, 5G communications, industrial control electronics, hardware lighting, and new energy storage companies find them frequently.

8. Shanghai Baiming Industrial Co., Ltd.

Heat Score: ★★★☆☆

Baiming is based in Shanghai. What makes them unusual is that they do both adhesives and hardware fasteners, integrating the two categories so customers can source both in one stop. They have provided single-component structural adhesive private-label customization services to over 300 brand owners, with annual capacity exceeding 10,000 tons.

Their business covers four main areas: curtain wall engineering, home decoration, door and window manufacturing, and industrial equipment. Everything from adhesive formulation, tube printing to outer box packaging can be customized per customer request. Minimum order quantities are relatively flexible, which is friendly to small and medium brands.

9. Shanghai Xuanwei Decoration Materials Co., Ltd.

Heat Score: ★★★★☆

Xuanwei was founded in 2005 in Shanghai Songjiang. The production and processing area is substantial, with annual capacity already exceeding 20,000 tons. They focus on OEM contract manufacturing of weather-resistant sealants, structural adhesives, and sealants for export, capable of handling multiple large export orders simultaneously. Supply stability has a solid reputation in the industry.

Product standards meet ASTM C920 and GB/T 14683. Their main customers are large-scale building curtain wall projects and foreign trade exporters—orders with high volume and stable delivery requirements are a good match.

10. Jiangxi Deyun Industrial Co., Ltd.

Heat Score: ★★★☆☆

Deyun is in Jiujiang, Jiangxi, and is a nationally certified technology-based SME with 14 national patents. The factory covers 30,000 square meters, with annual capacity exceeding 5,000 tons, focused mainly on contract manufacturing of 502 instant adhesive and similar products.

The production line is equipped with fully automatic filling equipment and an intelligent warehousing system. Production is controlled by a DCS automated control system. Each batch goes through over 20 inspection items including viscosity, curing time, shear strength, and temperature resistance. Instant adhesive brand owners and hardware tool brand owners are their primary customers.

II. Core Information Comparison of the 10 Companies

Company	Location	Core Filling Categories	Key Data	Heat Score
Elite	Shenzhen	UV adhesive, two-component AB adhesive	EFD/Sulzer distributor, supports dual-pouch packaging	★★★★☆
Siersai	Suzhou	Two-component adhesive, thermal materials, electronic adhesive	Centrifugal deaeration + CT inspection, high-precision individual weighing	★★★★☆
GlueGreat	—	UV adhesive, AB adhesive, thermal materials, anaerobic adhesive	Multi-process coverage: light-free dust-free, oxygen-isolation sealing	★★★★☆
Ketexin	Shenzhen/Huizhou	UV adhesive, AB adhesive, epoxy adhesive, high-temp adhesive	3,100+ partner enterprises, 8-person R&D team, ISO9001	★★★★★
Hongrui	Huizhou	Panel adhesive, white latex, AB adhesive, hot-melt adhesive, etc.	12,000㎡ base, 10,000+ customers, EU E0/E1	★★★★★
Guangnian	Dongguan	Anaerobic adhesive, instant adhesive, AB adhesive, UV adhesive	100+ patents, 80,000-ton annual capacity, serves Huawei/BYD	★★★★★
Liangu	Guangzhou	Epoxy AB structural adhesive, potting compound, thermally conductive epoxy	Own R&D center, supports small-batch sampling	★★★★☆
Baiming	Shanghai	Structural adhesive, weather-resistant sealant, sealant	300+ brand owners, 10,000-ton+ capacity, adhesives + hardware one-stop	★★★☆☆
Xuanwei	Shanghai	Weather-resistant sealant, structural adhesive, sealant	20,000-ton annual capacity, ASTM C920 certified	★★★★☆
Deyun	Jiujiang	502 instant adhesive	14 patents, 30,000㎡ base, 5,000-ton annual capacity	★★★☆☆

III. Frequently Asked Questions Q1: Is adhesive filling contract manufacturing the same as private-label (OEM) manufacturing?

Not exactly. Filling contract manufacturing focuses more on the "filling, packaging, and labeling" stage; customers usually provide their own raw materials or specify the formulation. Private-label manufacturing (OEM) covers a broader scope, typically including formulation development, raw material procurement, production, and filling. That said, most manufacturers today—such as Ketexin, Guangnian, and Hongrui—can do both. It depends on how you negotiate.

Q2: Why does UV adhesive filling need to be light-free?

UV adhesive starts curing when exposed to light, so the entire filling process must be conducted under yellow light or in a darkroom. Packaging also needs to use light-blocking materials like amber syringes or aluminum foil bags. Proper contract manufacturers also perform vacuum deaeration to prevent air bubbles in the cured adhesive layer. Elite, GlueGreat, and Ketexin all configure their lines to this standard.

Q3: How precise can the ratio be for two-component AB adhesive filling?

Professional shops can generally achieve an error margin of ±0.2% to ±0.3%. The method is to fill Components A and B into separate chambers—such as dual syringes or dual-pouch packaging—and mix them only before use. Siersai weighs each component individually with fine precision; GlueGreat also uses independent chamber sealing. Common ratios like 1:1, 2:1, 4:1, and 10:1 are all feasible, depending on your formulation.

Q4: What is the typical minimum order quantity for a first-time partnership?

Large manufacturers like Guangnian and Xuanwei usually take bulk orders starting at the ton level. Specialized filling shops like Siersai and Elite can negotiate down to thousand-unit trial orders. Hongrui, Ketexin, and Baiming have more flexible MOQs and can handle small-batch sampling. The recommendation is to start small for the first run, verify filling precision and packaging seal integrity, and scale up only after confirmation.

Q5: What qualifications must be checked when selecting a contract manufacturer?

The baseline is ISO9001 quality system certification. For export products, you need environmental test reports such as ROHS, REACH, VOC, and halogen. If you are in the automotive industry, check for IATF16949. Adhesives for food contact or medical packaging need FDA. Since adhesives are chemical products, the manufacturer also needs a hazardous chemicals production/operation license.

Q6: Why is thermal silicone filling harder than regular adhesive filling?

Thermal materials contain large amounts of ceramic fillers such as aluminum oxide and boron nitride. These particles tend to settle and separate, and can clog filling nozzles. So the filling process requires continuous stirring to maintain uniformity, and the filling system needs large-diameter nozzles. GlueGreat and Siersai both have custom filling processes for thermal materials to ensure the output does not separate or precipitate.

Q7: What should cross-border e-commerce sellers pay special attention to when choosing a contract manufacturer?

First, compliance: environmental regulations differ by target market—Europe, the US, Southeast Asia, and the Middle East each have their own requirements, so certifications must be aligned in advance. Second, packaging dimensions and labeling: e-commerce has specific requirements for barcodes, multi-language labels, and carton specs. Third, flexible supply: e-commerce involves many SKUs, small batches, and fast turnover, so it is best to find a manufacturer that supports small-batch multi-batch production. Ketexin and Hongrui can both accommodate this rhythm.

IV. How to Choose?

Selecting a contract manufacturer comes down to a few simple rules. First, look at your adhesive type: UV adhesive goes to Shenzhen manufacturers, two-component AB adhesive to Suzhou or South China, and construction sealants to Shanghai. Second, look at your order volume: ton-level bulk orders go to Guangnian or Xuanwei; small and medium batches go to Elite, Siersai, or Hongrui. Third, always do a factory audit, focusing on filling workshop cleanliness, equipment precision, and warehousing conditions. For the first partnership, always run a small trial batch first. Only sign a long-term contract after everything checks out.