
About Us
A Vitamin Raw Material Manufacturer Built on Documented Quality
Established in 2008 in Rizhao, Shandong. Research, production and technical support for 25-hydroxyvitamin D3 (25-OH-D3), liquid vitamins and vitamin premixes.
Company Overview
Focused on Animal Nutrition Raw Materials Since 2008
Shandong Haineng Bioengineering Co., Ltd. was established in 2008. We are an integrated manufacturer combining research, production and technical promotion of 25-hydroxyvitamin D3 (25-OH-D3), liquid vitamin raw materials, liquid feed additives and vitamin premixes.
The company is located in Rizhao, a coastal city in Shandong Province with direct access to port logistics. Over 18 years of development we have built three production bases in Rizhao and formed product lines serving animal nutrition and related application fields.
Our 25-OH-D3 technology is protected by a Chinese national invention patent, and we took part in drafting the national industry standard NY/T 4688-2025 for 25-hydroxycholecalciferol. We were the first company in China to obtain the feed-additive production licence for 25-OH-D3: the product standard was filed in March 2014 and the production line passed ministry acceptance in June 2014.
Our 25-OH-D3 is already registered in the United States, Brazil, Saudi Arabia, Egypt, Vietnam and Malaysia, among other markets, and is supplied to feed mills, premix plants and distributors worldwide. Every order is supported by a technical data sheet, a batch certificate of analysis and access to our application team.
- Established
- 2008
- Location
- Rizhao, Shandong, China
- Production Bases
- Three production bases in Rizhao
- Business Hours
- Monday - Friday, 08:30 - 17:30 (GMT+8)



2008
Established
18 years focused on vitamin raw materials
3
Production Bases
Three production bases in Rizhao
20+
Honors & Certifications
Quality, technology and export-related recognitions
100+
Global Partners
Feed mills, premix plants and distributors
Leadership
Founder & General Manager

Mr. Cao Jindang
Founder & General Manager
Mr. Cao Jindang holds an MBA from the School of Agricultural Economics and Rural Development, Renmin University of China. He is a Standing Director of the China Animal Agriculture Association and of the Shandong Provincial Feed Industry Association.
In the 1990s he was engaged in veterinary drug R&D and production management, participating in the development of twenty new veterinary drugs included in the Shandong provincial veterinary drug quality standard, nearly ten of which were later upgraded to national standards.
Since 2008 he has focused on the research, production and promotion of liquid vitamin premixes, under the company mission “Everything for Healthy Farming”. Under his leadership the company developed nano-vitamin self-microemulsification low-energy technology, liquid vitamin premix technology, and the 25-hydroxyvitamin D3 production process — each filling a domestic gap in the field.
He has presided over four provincial science and technology projects and five municipal development programmes; four research projects have passed provincial achievement appraisal. He has received one First Prize of the Shandong Provincial Science and Technology Progress Award, three Second Prizes and one Third Prize of municipal science and technology awards, has filed five national invention patents and one utility model patent, and has published more than ten papers on vitamins. He has been honoured as an “Advanced Worker” of China’s animal husbandry industry.
“Build a company people can trust; make products people can be proud of.” — Cao Jindang
Milestones
How the Company Developed
Key steps in production capacity, quality systems and international market development.
2008
Company Established in Rizhao
Shandong Haineng Bioengineering Co., Ltd. was founded in Rizhao, Shandong on 5 May 2008. The feed additive and additive premix production line passed expert acceptance in June, and the Ministry of Agriculture issued the production licence in September of the same year.
2009
First National Invention Patents
Two national invention patents were granted for nano-vitamin self-microemulsion and microemulsion preparation technology (ZL200910018210.2 and ZL200910018211.7), and a technology cooperation agreement was signed with Qingdao Agricultural University.
2011
ISO 9001 Certification and New Liquid Line
The company passed ISO 9001:2008 quality management system certification in December, and construction began on a 1,000 t/year liquid vitamin production line.
2014
Haineng 25-OH-D3 Standard Filed — a Domestic First
Our self-developed liquid 25-hydroxycholecalciferol (25-OH-D3) feed additive passed expert review and received national standard filing in March — the first of its kind developed in China; the production line passed Ministry of Agriculture acceptance in June 2014.
2015
Technology Assessment — Domestically Leading
Two research projects — liquid vitamin premix production technology and 25-OH-D3 production technology — were formally assessed in Jinan and rated "domestically leading". The Poultry Research Institute of the Shandong Academy of Agricultural Sciences set up a doctoral workstation at Haineng.
2017
25-OH-D3 Production Line Commissioned
A 60 t/year 25-OH-D3 production line was commissioned in May, marking the start of domestic volume production. The company was recognised as a National High-Tech Enterprise in December.
2019
Silver Award for 25-OH-D3
25-OH-D3 won the Silver Award for Technological Innovation Products at the 17th China Animal Husbandry Expo.
2020
Shandong Gazelle Enterprise
Listed as a Shandong Gazelle Enterprise, and recognised by the Shandong Feed Industry Association as a model enterprise for antibiotic-free feed products; passed the National High-Tech Enterprise re-assessment.
2021
Research Centre and CAU Collaboration
Our research and office building in Rizhao High-tech Zone topped out; a joint project with China Agricultural University on how 25-OH-D3 improves pig performance was assessed as "domestically leading and internationally advanced"; the technology centre was recognised as a Shandong Provincial Enterprise Technology Centre.
2022
New Pharmaceutical Facility
Shandong Haineng Pharmaceutical's softgel production building broke ground in June, extending our capabilities into adjacent nutrition products.
2025
National Industry Standard Drafter
Took part in drafting NY/T 4688-2025, the national industry standard for 25-hydroxycholecalciferol.
Honors & Recognition
Certifications and Awards
20+ honours, certificates and qualifications. Select any item to view a larger copy. Original documents are available for verification during a customer audit.
Certificates & Qualifications

R&D Capability
Research That Reaches the Feed Mill
Our research work is organised around three activities: process development for vitamin raw materials, analytical method work in the in-house laboratory, and applied nutrition trials with research institutes and customer farms.
In-house Analytical Laboratory
HPLC assay, microbiological limits, heavy metals and stability testing performed on incoming and finished lots.
Process Development Team
Biotransformation, coating and liquid formulation work supporting customised specifications for recurring orders.
Institute Collaboration
Joint applied-nutrition work with China Agricultural University, Chinese Academy of Agricultural Sciences, Sichuan Agricultural University, Qingdao Agricultural University, Poultry Research Institute of the Shandong Academy of Agricultural Sciences.
Our Values
What We Commit to in Every Order
Documented Quality
Every batch is released with a certificate of analysis and traceable production records, ready for customer audit.
Applied Research
Our technical team works on species-specific inclusion programmes and shares trial observations with customers.
Reliable Supply
Three production bases and planned inventory levels support stable lead times for recurring export orders.
Partner With Us
Request product specifications, sample arrangements or a factory audit appointment. Our export team responds within one business day.

