In the high-stakes global marketplace of cosmetic science and clinical dermatology, the formulation is only half the battle. Delivering premium cosmetic essences, concentrated active serums, and target-specific solutions requires packaging that preserves chemical integrity, ensures accurate dosing, and prevents environmental contamination. At the epicentre of this packaging evolution is the Essence Buret Covers Filling Machine. These highly engineered filling, plugging, and capping lines handle complex containers featuring integrated dropper caps, buret enclosures, glass pipettes, and micro-precision dropper inserts with unparalleled efficiency.
SINAEKATO, established in 1992, has pioneered the research and development of these advanced fluid-handling packaging systems. With over 30 years of deep manufacturing pedigree, SINAEKATO has consistently integrated European-level precision machining with robust, scale-ready production assemblies. The modern cosmetic packaging line must manage varying viscosity index ratings (from watery essences to highly thixotropic gel-serums) while minimizing product loss during batch changes. As an industry-defining manufacturer and supplier, SINAEKATO addresses these challenges by offering customizable, sanitary, and ultra-precise volumetric and gravity-fed filling configurations that strictly adhere to International GMP (Good Manufacturing Practice) standards.
Managing buret covers, internal wiper inserts, and glass pipette components requires specialized physical dynamics during mechanical handling. Traditional inline filling systems often fail to keep pace with the complex orientation steps necessary for buret packaging. To counteract these limitations, SINAEKATO has designed an automated Rotary Monoblock platform that integrates bottle feeding, precise liquid dispensing, dropper insert placement, cap pre-threading, final servo-driven torque capping, and outfeed sorting into a single, compact footprint.
Employs high-precision rotary piston pumps or ceramic valveless pumps, achieving filling accuracies within ±0.1% to ±0.5% tolerance levels, preventing overfill of expensive skin care active formulations.
Proprietary camera-based verification monitors pipette alignment, ensuring glass droppers enter bottle necks cleanly without risking breakage or structural misalignment.
Harnesses magnetic hysteresis torque heads, applying exact sealing forces to avoid damage to delicate buret covers and rubber bulbs while ensuring leak-proof sealing.
One of the fundamental challenges in cosmetic liquid filling is the handling of foaming agents and high-viscosity mucilages. The filling process utilizes a programmable dive nozzle assembly with bottom-up capability. By tracking the liquid level and rising incrementally during filling, the system prevents turbulence, eliminating product aeration and container exterior contamination. This is crucial for premium essences where cosmetic appeal is heavily dependent on bubble-free transparency.
Science and Technology are the primary productive forces, they are also the core competitiveness of enterprises. Continuously strengthening the research and development and innovation of core technologies, constantly striving for excellence, utilizing advanced production equipment, maintaining strict quality management, and enforcing precise production testing processes ensure the excellent performance of each product.
A longstanding commitment to the global industry in which SINA EKATO operates is reflected in our driving motto, “LET THE WORLD KNOW MADE IN CHINA”. By providing high-performance machinery and services, we establish long-term trust. 80% of the main components of our machines are supplied by the world's most famous brands, such as Siemens (PLC and HMI), SMC (pneumatics), Omron (sensors), and Schneider (electrical components). This global integration ensures that parts are easily sourced locally, minimizing downtime for our international clients.
Our long-term collaboration with European engineering consultants and premium component vendors guarantees structural durability. From high-grade SUS316L contact parts to cleanroom-ready protective enclosures, SINAEKATO lines are engineered to perform under continuous multi-shift production stresses.
Whether you are scaling from laboratory batches to mass industrial distribution or converting an older manual line to full automation, our systems adapt seamlessly to your changing floor layouts.
Our collaborative milestones speak volumes. In 2018, SINAEKATO partnered with **Unilever South Africa** on a major cosmetics installation valued at over $800,000. During the same period, we developed complex filling and production suites for **Japan SK-II and Shiseido OEM manufacturers**, delivering solutions valued at approximately $1,500,000. By 2021, our footprint in the premium detergent and liquid washing segment expanded further with a $1,000,000 industrial line implementation in Japan. These projects confirm our capabilities as a highly trusted machinery brand.
A standalone filling machine cannot perform optimally without a matching processing ecosystem. To achieve optimal efficiency, the modern cosmetics packaging line requires seamless integration between liquid processing and active chemical stabilization. SINAEKATO provides complete, end-to-end production layouts. The flow begins with our **RO Water Treatment System**, supplying high-purity water to our **Double Cylinder Vacuum Homogenizing Emulsifiers**.
Once the essence or serum is blended under a vacuum to prevent oxidation, it is transferred via sanitary pumps to our jacketed **Storage Tanks**. From there, it is fed directly into the *Essence Buret Covers Filling Machine*. To round out the production line, we integrate automatic round and flat bottle labeling units, secondary cartoning systems, and end-of-line case packing solutions. By sourcing the entire chain from a single manufacturer, cosmetic brands eliminate cross-vendor synchronization issues, expedite factory acceptance testing (FAT), and simplify their supply chain.
Our engineering team analyzes factors such as viscosity curves, product oxidation thresholds, container geometries, and required output speeds. We ensure that pipe connections, valves, and flow meters are configured to prevent product degradation or shear stress.
This systemic focus ensures that delicate compounds—such as hyaluronic acids, vitamin C complexes, and active retinols—remain highly potent and stable throughout the entire filling process.
Operating across 55+ countries requires strict compliance with international manufacturing frameworks. All SINAEKATO lines are engineered, manufactured, and certified in accordance with CE directive criteria. For clients targeting pharmaceutical markets or high-grade cosmeceutical lines, our platforms conform with FDA standards, incorporating sanitary SUS316L stainless steel contact points, FDA-approved gasket materials, and CIP/SIP (Clean-In-Place / Sterilize-In-Place) loop structures.
Furthermore, our software architecture integrates seamlessly with industry-standard SCADA networks and complies with FDA 21 CFR Part 11 requirements for electronic records, providing audit trails and secure user access controls. SINA EKATO's global support network includes on-site engineers, remote diagnostic support, and rapid spare-part distribution hubs. This localized service guarantees that production lines remain operational and reliable, wherever you are located.
In 2017, SINAEKATO entered a strategic partnership with European automation specialist FLEMAC to establish **Germany SINAEKATO Group Co., Ltd.** This collaboration blends precision-focused German engineering principles with agile Chinese manufacturing capabilities.
We maintain active service support groups in Southeast Asia, Europe, South America, and Africa, minimizing time-zone delays and ensuring that experienced technicians are always available to assist.
As we look to the future, SINAEKATO is focused on integrating digital technologies into our machinery lines. Our R&D division is actively testing AI-driven vision inspection systems that identify micro-cracks in glass dropper tubes before they reach the filling zone. Additionally, we are developing automated torque-tracking modules that record the precise capping torque applied to every container, feeding this data directly to cloud-based manufacturing execution systems (MES) for quality assurance.
Sustainability is another key focus of our development roadmap. Our engineering team is redesigning our pump mechanisms to reduce product waste to virtually zero at the end of each production run. By optimizing clean-in-place cycles, we are also lowering water and cleaning chemical usage by up to 30%, helping manufacturers meet their environmental targets while maintaining strict hygiene standards.
The journey began as the founders actively engaged in the chemical machinery design and engineering sector.
Guangzhou Sina Cosmetics Engineering Equipment Co., Ltd. was established to specialize in cosmetics engineering.
Established Hong Kong Hantao International Investment Co., Ltd. to initiate international trade relations.
Gaoyou Sina Chemical Machinery Equipment Factory founded; Guangzhou Sina changed name to Guangzhou Sina Chemical Machinery Co., Ltd.
Established Gaoyou Sina Light Industry Machinery Equipment Factory to scale up domestic manufacturing output.
Purchased 10,000 square meters of land in Gaoyou; the brand new production plant SINA EKATO CHEMICAL MACHINERY CO., LTD (GAOYOU CITY) went into operation.
Established Yangzhou Hantao Chemical Machinery Co., Ltd. to optimize component manufacturing logistics.
Acquisition of Guangzhou Jingcheng Machinery; set up a large exhibition center and initiated export sales routes.
Guangzhou Sina Chemical Machinery Co., Ltd. officially renamed as Guangzhou SINAEKATO Chemical Machinery Co., Ltd.
Acquisition of Guangzhou Suogao Machinery Equipment Co., Ltd., expanding emulsifier patents.
SINA EKATO CHEMICAL MACHINERY (GAOYOU) designated as production, sales, and service headquarters.
Established SINA EKATO Equipment (Jiangsu) Co., Ltd. focusing on international technological collaborations.
Strategic partnership with FLEMAC (Europe) led to the establishment of Germany SINAEKATO Group Co., Ltd.
Secured $800,000 order from South Africa Unilever & $1.5M order from SK-II / Shiseido OEM manufacturers.
Partnered with Japanese detergent and liquid washing enterprises for a $1,000,000 automated production line order.
Our Monoblock system uses interchangeable change-parts (starwheels, cap guides, and chucks) designed for your specific container geometry. Swapping these parts for different container sizes takes under 30 minutes and requires no specialized tools, keeping production downtime to a minimum.
For low-volume applications (e.g., 5ml to 15ml), the machine utilizes high-precision ceramic valveless rotary piston pumps driven by independent servo motors. This configuration consistently achieves a dosing tolerance of ±0.1% to ±0.5%, minimizing product waste.
Yes, all product contact points are constructed from sanitary grade SUS316L stainless steel. The system can be configured with an automated Clean-In-Place (CIP) return manifold, allowing thorough cleaning and sterilization without dismantling the pump assemblies.
We offer comprehensive support including on-site factory installation, operational testing (FAT/SAT), and operator training. Technical support is also available via remote diagnostics, and we maintain regional service teams to assist with routine maintenance.
Sina Ekato
