Rongsi Karnpanich: Experts in production and distributors of Thai rice for over 50 years.

From quality raw materials to standardized production processes, we deliver the finest rice to consumers—fragrant, clean, tender, and delicious in every pot, every grain.

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About Us / Tour the Mill

50+ Years

Experience and Expertise

200 Tons/Day

Rice Milling Capacity

GMP / HACCP

International Milling Standards

77 Provinces

Nationwide Delivery Network

Rongsi Karnpanich Warehouse and Logistics, Kanchanaburi Province
— ABOUT SAMPHO RICE MILL GROUP

Who is Rongsi Karnpanich?

Rongsi Karnpanich Co., Ltd. is a producer, processor, and distributor of high-quality bagged rice located in Tha Muang District, Kanchanaburi. We have carried forward the wisdom and expertise of Thai rice for over 50 years

under the prestigious “Sampho Brand” and affiliated brands such as Chakraphat Rice, Peacock Brand, and Bua Kaew Rice. We are committed to elevating Thai rice standards with a production capacity of over 200 tons per day, serving household consumers (B2C), restaurant and hotel businesses (B2B), and exporting to international markets.

“We select the finest grains from the best fields and control moisture with precision technology to ensure every bag of rice is fragrant, clean, tender, and cooks up perfectly fluffy every time.”

50
ก่อตั้งและสั่งสมประสบการณ์
ตั้งแต่ปี พ.ศ. 2517 - ปัจจุบัน
บรรจุภัณฑ์ที่รองรับ
5 กก. / 15 กก. / 50 กก.
OUR CORE STRENGTHS

Why Customers Choose Rongsi Karnpanich

Meticulous attention to detail and production efficiency that meets the needs of households, food services, and industrial partners.

Over 50 Years of Experience

Accumulated expertise passed down through generations, with a deep understanding of Thai rice varieties, storage, and processing to preserve nutritional value.

International Production Standards

Certified by international GMP and HACCP standards, ensuring a hygienic, safe, chemical-free, and fully traceable production process.

Integrated Milling Process

Utilizing high-precision Color Sorter laser technology to remove impurities, damaged grains, and chalky kernels, resulting in pure, translucent white rice.

Serving Domestic and International Markets

A logistics network covering all of Thailand with a fast delivery system, plus the capacity and readiness for rice exports according to international specifications.

OEM / ODM Manufacturing Services

One-Stop Service for those looking to create their own rice brand, from variety selection and custom blending to bagging and licensing.

Consistent Quality and Taste

Guaranteed tender texture, fragrant aroma, and easy cooking with consistent deliciousness in every pot—trusted by leading restaurants and hotels for decades.

PRODUCT SHOWCASE

Sampho Brand Rice and Affiliates

Premium graded rice, fresh from our Kanchanaburi mill. Available for retail and wholesale, including OEM production.

— ONE-STOP PRIVATE LABEL SOLUTION

Comprehensive OEM / ODM Rice Production Services

Turn your business idea into a leading rice brand with the readiness of Rongsi Karnpanich. We handle everything from seed selection and custom blending to packaging design, legal registration, and logistics.

Variety Selection and Custom Blending

Choose from grades of Jasmine rice, soft-textured rice, or custom blends tailored to your budget and desired tenderness.

Custom Packaging Sizes

Supporting 1 kg vacuum bags, standard 5 kg bags, 15 kg sacks, and large 50 kg bulk sacks.

Brand Design and FDA Registration Support

Our team provides consultation on packaging design and handles the documentation for legal standard certifications.

Inventory Management and Distribution

Temperature and humidity-controlled warehousing with delivery systems direct to storefronts, distribution centers, or export ports.

International Standard Automated Factory and Machinery at Rongsi Karnpanich
QUALITY & ASSURANCE

Standards that Build Confidence in Every Step

We uphold the highest levels of integrity, cleanliness, and hygiene, backed by traceable international certifications.

01

Pure Seed Selection

We purchase fresh paddy from fertile cultivation sources, strictly measuring moisture and physical quality before it enters the mill.

✓Grain maturity testing for every plot
02

Technological Dehydration

Utilizing silos and dryers with consistent temperature control to prevent grain cracking, preserving maximum aroma and nutritional value.

✓Precision Moisture Control
02

Laser Impurity Sorting

The process uses intelligent Color Sorter machines and metal detectors to 100% remove damaged, dark, or red grains and impurities.

✓Clean, Bright, and Pure
04

Sterile Closed-System Packaging

Automated bagging in a cleanroom environment prevents weevils, insects, and external moisture. Lot numbers are recorded on every bag for traceability.

✓Closed System, Clean and Reliable
GMP Certified

GMP CERTIFIED

Good Manufacturing Practice

HACCP Certified

HACCP CERTIFIED

Hazard Analysis and Critical Control Points

Ministry of Commerce

Proper Commercial Registration and Trade Standards

THAI HOM MALI

Authentic Export-Grade Thai Jasmine Rice Standard

TESTIMONIALS & TRUST

Feedback from Customers and Partners

50 years of trust from restaurant operators, distributors, and consumers nationwide.

★★★★★

“I have used Peacock and Sampho brand rice for my restaurant for over 8 years. The rice cooks up beautifully fluffy, never mushy. Customers always compliment the fragrant, tender rice. Most importantly, the quality is consistent in every lot, and delivery is always on time.”

Mr. Somkiat Pornprasert

Owner of a Garden Restaurant and Eatery, Kanchanaburi

★★★★★

“We ordered OEM rice production under our own brand with Rongsi Karnpanich. The team provided excellent advice, from selecting rice specs and FDA registration to bag design. Our customers love it, and sales continue to grow.”

Ms. Nattarika Wanichsunthorn

Owner of an OEM Healthy Rice Brand

★★★★★

“My family has been eating Sampho Brand red-bag rice since my mother's generation. The aroma fills the air while cooking, and the rice is perfectly tender. It goes well with everything. Ordering via LINE is convenient and fast. I order regularly!”

Ms. Kamonwan Theerachote

Household Customer, Bangkok

NEWS & ACTIVITIES

News and Social Responsibility Activities

Follow our updates, community sharing activities, and continuous development of production technology.

CONTACT WITH US

Contact Rongsi Karnpanich through these channels

Rongsi Karnpanich Co., Ltd. (Headquarters and Factory)

Mill Address

9/2 Pang Tru Sub-district, Tha Muang District, Kanchanaburi 71110, Thailand

Sales and Delivery Phone

081-641-3553

Business Hours

Monday–Sunday, 8:30 AM – 5:30 PM

LINE Official Account

@sampho — 24-hour inquiry and quotation service

Need a quote for a large project or export order?

Our trade officers will contact you back within 1 hour.

Scan to add us on LINE for easy ordering and free home delivery

Rongsi Karnpanich LINE Official QR Code

Rongsi Karnpanich Location (Headquarters)