How to Determine Quality?

1. Before the transaction, you can contact our sales representative to request a quality inspection report. Our company guarantees the authenticity of the data in the quality inspection report. If your testing results do not match the quality inspection report, we will unconditionally accept returns and provide a refund. 2. Before the transaction, we can provide a small sample for testing (free samples are only available to customers with a genuine need; samples are generally provided to factories, but not to reagent companies).

What’s your delivery time after you get our deposit?

1-12 tons usually delivery time is 3 to 7 days after get the deposit. 12-28 tons usually delivery time is 7 to 10 days after get the deposit. > 28 tons usually delivery time is 10 to 15 days after get the deposit.

What’s your terms if we want to be your exclusive agency in our country?

Once your monthly order quantity up to 28 tons you can to be our exclusive agency.

Can your technicians come to our local place to provide technical support?

Yes, when you need our technicians can go to your place to provide technical support.

Products - Dongyuan Shengda

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Your Trusted Cellulose Ether Supplier in China

Dongyuan Shengda is a professional cellulose ether manufacturer with 16 automated production lines and an annual output of 60,000 tons, ensuring a stable supply for your business. With ISO9001-2015 certification, our high-quality products meet international standards, helping you achieve consistent project results. We offer HPMC, HEMC, and HEC at factory prices, supporting your cost-efficiency. Our R&D facility can customize HPMC formulas to meet your exact specifications for different application needs. Our products are popular in Asia, Europe, Latin America, the Middle East, and Africa. Contact us now to receive a personalized quote and discover how our solutions can benefit your business.

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Hydroxypropyl Methyl Cellulose - HPMC

Brief: Appearance – product is a white or off-white powder, odorless and non-toxic. It can form a transparent colloid in aqueous solution.

Our construction grade HPMC mainly suitable for: tile adhesive factories , putty powder factories, plaster factories , dry mix mortar factory, paint factory etc.

Hydroxypropyl methyl cellulose is produced by selecting highly pure cotton fiber as raw material and specially etherifying it under alkaline conditions. It has the characteristics of thickening ability, salt resistance, low ash content, PH stability, water retention, excellent film-forming properties, and extensive mildew resistance, dispersion and adhesion.

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Hydroxyethyl Cellulose - HEC

Brief: Our Hydroxyethyl Cellulose Ether (HEC) products are divided into two major categories: construction-grade and daily-chemical-grade. In order to better serve our customers across various projects, we have conducted in-depth research and development on our construction-grade HEMC. This has led to the production of specialized cellulose ether variants for applications such as putty, mortar, tile adhesive, gypsum Etc.
Furthermore, we leverage the advantages of our manufacturing facilities. We can customize the production of methylcellulose ethers based on your geographical location, construction environment, and specific application requirements.
If you are looking to buy HEC, you can discuss it with our experts, then to get a better solution before buying. We provide free samples for testing.

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Hydroxyethyl Methyl Cellulose - HEMC

Brief: Hydroxyethyl methyl cellulose is a water-soluble cellulose mixed ether that has the properties of both CMC and HEC. It has high hydration binding capacity and good flocculation on suspended solids. In addition, hydroxyethyl methylcellulose also has the functions of thickening, adhesion, emulsification, film formation, suspension, dispersion, water retention and providing protective colloid. It is soluble in hot or cold water, does not precipitate at high temperatures or boiling, and has a wide range of solubility. Hydroxyethyl methyl cellulose contains hydroxyethyl groups, so it has good anti-fungal ability. It has good viscosity stability and anti-fungal degeneration during long-term storage.

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20+ Years of Production Experience

Decades of specialized experience in cellulose ether development and manufacturing.
Advanced German Production Lines

We use imported automated equipment to ensure accuracy, consistency, and efficiency.
Independent In-House Testing

Each batch is rigorously tested by professional technicians to ensure product quality and consistency.

FAQ

Q How to Determine Quality?

A 1. Before the transaction, you can contact our sales representative to request a quality inspection report. Our company guarantees the authenticity of the data in the quality inspection report. If your testing results do not match the quality inspection report, we will unconditionally accept returns and provide a refund.
2. Before the transaction, we can provide a small sample for testing (free samples are only available to customers with a genuine need; samples are generally provided to factories, but not to reagent companies).
Q What’s your delivery time after you get our deposit?

A 1-12 tons usually delivery time is 3 to 7 days after get the deposit.
12-28 tons usually delivery time is 7 to 10 days after get the deposit.
> 28 tons usually delivery time is 10 to 15 days after get the deposit.
Q What’s your terms if we want to be your exclusive agency in our country?

A Once your monthly order quantity up to 28 tons you can to be our exclusive agency.
Q Can your technicians come to our local place to provide technical support?

A Yes, when you need our technicians can go to your place to provide technical support.
Q Do you supply customized service?

A Yes, we do.

Our Blogs

Shandong Shengda Flexible OEM Partner.jpg

Top 10 Methyl Ethyl Hydroxyethyl Cellulose Manufacturers in China (2026 Updated Expert Selection Guide)

This expert guide identifies 10 leading Methyl Ethyl Hydroxyethyl Cellulose (HEMC) manufacturers in China for construction and daily chemical applications, explaining selection criteria, certifications, capacity, OEM/ODM strengths, and practical risk‑control steps for global procurement managers.

10 June 2026

Premium HPMC Factory in China: Expert Guide To Hydroxypropyl Methyl Cellulose for Construction And Daily Chemicals

Premium HPMC from Shandong Shengda New Material in China for construction and daily chemical applications. Learn how hydroxypropyl methyl cellulose improves water retention, workability, and sustainability, and get expert tips for selecting the right grade for your formulations.

07 June 2026

Global Cellulose Ether Supplier Partnership.png

Cellulose Ether HPMC HEMC And HEC For Construction And Daily Chemical Applications

Cellulose ether guide from a construction and daily‑chemical expert’s perspective. Understand how HPMC, HEMC and HEC are produced, how they differ, and how to select the right grade for mortars, tile adhesives, paints and personal care products.

08 June 2026

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FAQ

Q How to Determine Quality?

Q What’s your delivery time after you get our deposit?

Q What’s your terms if we want to be your exclusive agency in our country?

Q Can your technicians come to our local place to provide technical support?

Q Do you supply customized service?

Our Blogs

Top 10 Methyl Ethyl Hydroxyethyl Cellulose Manufacturers in China (2026 Updated Expert Selection Guide)

Premium HPMC Factory in China: Expert Guide To Hydroxypropyl Methyl Cellulose for Construction And Daily Chemicals

Cellulose Ether HPMC HEMC And HEC For Construction And Daily Chemical Applications

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