Lecos
Lecos
Precision-engineered cosmetic bottles, jars, and mini dropper assemblies for global enterprise sourcing
In modern pharmaceutical manufacturing, biochemical research, chromatography testing, and high-potency cosmetic formulations, the selection of primary packaging containers is critical. 1 Ml Amber Glass Vials serve as a benchmark standard for micro-dosing applications where precision, stability, and light-sensitive protection are paramount.
The global demand for 1ml vials is expanding rapidly, driven by the growth of diagnostic test kits, biotechnology advancements, and the expansion of personalized beauty applications (like highly concentrated skin serums). Chinese glass manufacturers have positioned themselves at the epicenter of this supply chain, delivering unparalleled technical capacity, cost-efficiency, and adherence to international quality standards such as ISO 8362, USP Class VI, and EP (European Pharmacopoeia).
At micro-volumes like 1 mL, the surface-area-to-volume ratio is significantly higher than in larger containers. This makes the fluid inside highly sensitive to chemical leaching and physical interactions with the container walls. High-quality manufacturers construct these micro-vials utilizing Type I Borosilicate Glass (specifically 3.3 or 5.0 expansion coefficient glass). Type I glass provides supreme chemical inertness and hydrolytic resistance, preventing the shift of pH in the packaged liquid and eliminating the risk of delamination.
Quantifiable proof of Chinese glass manufacturing efficiency and precision standards
Lecos Glass has been dedicated to the glass packaging industry for over 10 years, establishing a solid reputation with our innovative wholesale glass bottles and jars for cosmetics, perfume, personal care, essential oils, and candle jar glass packaging. We pride ourselves on being exceptional at offering bespoke glass solutions designed specifically to match our client's brand DNA.
Basically, we offer a comprehensive range of glass bottles, jars, and structural accessories. While we manufacture hundreds of diverse packaging options, our main specialization collections include:
Lecospack provides professional glass cosmetic and pharmaceutical packaging solutions to worldwide customers. With years of experience in the field, we are capable of providing innovative, stable quality, and cost-effective packaging according to our customers’ specific requirements.
The quality of our glass products is strictly controlled under rigorous quality assurance protocols, which has won the favor of both domestic and foreign customers. We work directly and indirectly with many renowned international brands. To support customization, we offer all kinds of deep processing for glass bottles, such as frosting, electroplating, spraying, decal, and high-precision silk-screen printing. We insist on playing a supportive, reliable role in the glass beauty and medical packaging industry.
Built on high quality, competitive pricing, and sustainable manufacturing principles
Ensuring dimensional uniformity across high-volume production runs using online automated inspection equipment.
Utilizing premium raw materials and modern furnaces to guarantee minimal glass defects and structural stability.
Optimized production flow and logistics in China allow us to offer competitive rates without sacrificing quality.
Active support throughout the entire lifecycle of custom formulation testing, sample validation, and volume shipping.
For enterprise sourcing managers, understanding the exact technical metrics of 1 ml vials is critical for line-filling compatibility, auto-sampler integration, and sterile processing protocols.
| Technical Parameter | Specification Detail | Standards Conformity |
|---|---|---|
| Glass Composition | Type I Borosilicate Glass (Neutral Glass) / Type III Soda-lime Glass | USP Type I, EP 3.2.1, ISO 8362 |
| Light Transmission Threshold | Less than 10% transmission for wavelengths between 290nm and 450nm | USP <660> Spectral Transmission |
| Dimensions (Diameter x Height) | Typically 12.0 mm x 32.0 mm (standard autosampler profile) | DIN ISO 8362-1 |
| Neck Finish/Closure Type | 8mm / 9mm Screw Thread, 11mm Crimp Top, or Snap Ring | GPI Standards |
| Chemical Durability | Hydrolytic class HGB 1 (extremely high resistance) | ISO 719 / DIN 12111 |
| Thermal Shock Resistance | Withstands delta T shifts of up to 120°C | ASTM E438 |
The manufacturing of 1ml glass vials in China has transitioned from manual hot-end operations to highly automated vertical drawing and forming processes. Today, advanced manufacturers utilize high-definition artificial intelligence vision inspection systems. Cameras placed along the cooling track measure glass wall thickness, mouth inner diameter, and planarity of the rim in milliseconds. Any vial deviating by more than ±0.15mm is pneumatically rejected from the conveyor line.
Furthermore, production takes place in ISO Class 7 or Class 8 cleanrooms to ensure that the initial particulate load (bioburden) is kept at an absolute minimum. This ensures seamless terminal sterilization (autoclaving or ethylene oxide treatment) at the customer's filling site without contamination concerns.
Inside our ISO-compliant production floors and finishing units
Illuminated by the high aesthetics and elegance of most famous luxury brands
Our company is built on a solid foundation of deeply held values that set us apart, steer our actions, and infuse every aspect of our corporate culture. These values are not just words; they are the principles that guide how we operate daily. Central to our business practices is our unwavering commitment to social responsibility, adherence to strict ethical standards, and support for universal human rights.
We are also fully dedicated to protecting the environment by minimizing heat-waste in our melting facilities, utilizing high-quality recyclable glass materials, and supporting communities where our employees live and work. By prioritizing eco-friendly manufacturing methods and safe waste reduction processes, we ensure that Lecospack remains a sustainable, reliable, and forward-looking business partner.
Supporting international brands through precision engineering and design excellence
Technical and structural details for procurement and supply chain managers
Our prices are subject to change depending on supply, raw material indices, energy costs, and other market factors. We will send you an updated price list after your company contacts us with specific size, quantity, and customization details.
Yes, we require all international orders to maintain an ongoing minimum order quantity. For standard 1ml vials, this depends on whether they are kept in stock or require a custom run. If you are looking to resell in smaller quantities, please reach out to our team to discuss alternative configurations.
Yes, we can provide the majority of requested documentation, including Certificates of Analysis (COA) for glass composition, Certificates of Conformance (COC), Insurance, Certificates of Origin, and export customs declarations.
For standard samples, the lead time is approximately 7 days. For mass production, the average lead time is 20-30 days after receiving the deposit payment. Lead times become effective once we receive your deposit and get your final approved artwork/technical drawing. If our schedule does not match your deadline, please discuss this with your sales representative, and we will do our best to accommodate your target timeline.
You can make the payment to our official bank account, Western Union, or PayPal. Our standard terms are 30% deposit in advance, with the remaining 70% balance paid against the copy of the Bill of Lading (B/L).
We fully warrant our materials, workmanship, and structural integrity. Our long-term commitment is to ensure you are satisfied with the performance of our products. Regardless of whether an issue falls under the standard warranty period, it is our company policy to address and resolve all customer quality concerns to everyone's satisfaction.
Yes, we always use high-quality, reinforced export packaging. Vials are packed in clean, sealed plastic trays and nested within double-wall corrugated shipping boxes. When necessary, we use specialized hazard packaging and thermal insulation to protect delicate components.
Shipping costs depend on the delivery method you select. Express delivery is the fastest but also the most expensive. Ocean freight is generally the most cost-effective solution for large-volume container shipments. We can provide exact shipping quotes once we know your order volume, total weight, and delivery destination.
Type I Borosilicate glass contains boric oxide, giving it exceptional thermal resistance and high chemical stability (extremely low leaching of alkaline elements). Type III Soda-lime glass is less inert and has lower thermal shock resistance. For sensitive injectable drugs or diagnostic reagents, Type I is required. For essential oils and cosmetics, Type III often suffices and is more cost-effective.
From cosmetic jars to industrial dropper bottles, browse our high-demand inventory below
