Lecos
Pioneering standard and custom geometries developed for clean beauty, active dermatological serums, and luxury skincare formulas.
Dedicated to engineering excellence in cosmetic glass packaging for over a decade.
Lecos Glass has been dedicated to the glass packaging industry for over 10 years 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 good at offering bespoken glass bottles to our clients. Basically, we have a large range of glass bottles, jars, and accessories you'll ever need!
Our expansive product lines include catalog and custom configurations designed to align with modern aesthetic and functional brand mandates.
Lecospack provides professional glass cosmetic 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' DNA. The quality of our glass products is strictly controlled, winning the favor of both domestic and foreign customers. We work with many brands directly and indirectly.
We offer all kinds of customized deep processing for glass bottles, such as frosting, electroplating, spraying, decal, and silkscreen printing. We insist on playing a supportive and driving role in the global beauty packaging industry.
We enforce rigorous raw materials audits, precision thermal inspection, and automated optoelectronic dimensional controls.
Leveraging high-efficiency electric furnaces and integrated supply chain clusters to drive down manufacturing costs.
Offering dedicated technical engineers, fast 3D prototyping, and comprehensive localization logistics support.
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 are our unwavering commitment to social responsibility, adherence to ethical standards, and steadfast support for universal human rights.
We are also dedicated to protecting the environment and making a positive impact in the communities where we live and work. We believe in fostering creativity and innovation, celebrating and embracing the richness of diversity, and treating our employees with the utmost respect and care, as if they were members of our own family. By upholding these values, we ensure that our company remains a responsible, ethical, and inspiring place to work.
Analyzing the fluid-mechanical integration of high-performance glass lotion containers and advanced dispersion engines.
Traditional lotion pumps feature an internal stainless-steel spring that remains in constant contact with the liquid emulsion. This setup frequently triggers metal-catalyzed oxidation of sensitive cosmetic active ingredients, such as L-ascorbic acid (Vitamin C), retinol, and polypeptides. Lecos Glass addresses this issue by engineering next-generation, metal-free spring pump engines. These systems isolate the mechanical tension spring outside the fluid chamber, completely preventing product degradation and preserving formula stability.
The dispensing of high-viscosity emulsions requires precise fluid-dynamics calculations. Pump engines must provide optimal shear-thinning action without structural failure. Lecos Glass manufactures pumps with custom dosage calibrations ranging from 0.1cc to 0.5cc per stroke. By pairing specific chamber orifices with matching dip tubes, we ensure clean, consistent dispensing for a wide range of formulas—from light, watery milks to thick, dense night creams.
As brands navigate strict PCR (Post-Consumer Recycled) requirements, Lecos Glass is leading the transition to highly recyclable packaging. Glass is inherently infinitely recyclable, but pump assemblies have historically been difficult to sort. To solve this, we offer monomaterial polyolefin pumps (made entirely of PP or PE) that can be recycled directly in existing recovery systems, helping brands achieve their 2025/2030 sustainability commitments.
Analyzing industry-specific demands and the material configurations engineered to address them.
Modern clinical products avoid synthetic preservatives, making them highly vulnerable to air exposure and microbial contamination. Lecos Glass provides high-density, thick-walled soda-lime and borosilicate glass jars paired with precise airless pump lids. This setup creates a hermetic seal that keeps formulas sterile and extends their shelf life without relying on heavy preservative systems.
Sunscreens and active dermatological treatments are highly sensitive to ultraviolet radiation. Left unprotected, UV light can degrade organic filters and active compounds, rendering products ineffective. We counter this by applying specialized UV-blocking coatings, amber color agents, and opaque internal sprays. These treatments absorb or block light across the critical 200–400nm spectrum, keeping your active formulas stable and functional.
Fragrances containing premium essential oils require materials with zero chemical reactivity. Low-quality plastics can leach compounds over time, altering the scent profile. Lecos Glass uses high-clarity soda-lime glass with custom exterior modifications like hot stamping, metal electroplating, and chemical etching. This combination maintains product purity while creating a striking, premium presentation on the shelf.
How automation, advanced thermal control, and lean manufacturing deliver world-class glass packaging at scale.
Our production relies on high-capacity, all-electric melting furnaces. Compared to traditional gas furnaces, electric heating ensures extremely stable temperatures within the molten glass pool. This precise thermal control minimizes bubble formation and prevents visual defects in the glass matrix.
From the melter, gob distribution feeds into advanced Individual Section (IS) molding machines. These automated lines form bottles and jars with high dimensional accuracy, keeping weight deviations under 2%. The result is a highly consistent product that runs smoothly on high-speed filling lines without jamming.
Lecos Glass operates in China's major glass production clusters. This location gives us direct access to raw materials and specialized post-processing services like frosting, silk-screening, and metallization. By consolidating these steps nearby, we simplify logistics, reduce manufacturing lead times, and lower shipping costs for our global customers.
Meeting international safety and quality standards to ensure smooth global distribution.
Cosmetic packaging must meet strict chemical migration limits. Lecos Glass products comply fully with US FDA CFR 21 standards for food-grade contact safety. We also meet European REACH regulations, verifying that our materials are free from Substances of Very High Concern (SVHC), heavy metals, and harmful plasticizers.
Every production run undergoes strict quality control testing. We run thermal shock trials (ensuring resistance to temperature shifts up to 40°C), vertical load testing, and internal pressure tests. This process guarantees that every bottle can withstand the pressures of automated filling, long-distance transport, and daily consumer use.
We provide complete documentation for compliance verification. This includes Certificate of Analysis (CoA), material safety data sheets (MSDS), declarations of compliance, and regional export paperwork, giving your quality control team full confidence in our supply chain.
A step-by-step guide to our procurement, customization, and delivery process.
We start by analyzing your formula's viscosity (cPs) and active ingredients. Our team then recommends the best pairing of glass chemistry and pump mechanics for your product.
We generate 3D CAD files within 48 hours for your approval, followed by rapid 3D-printed physical mockups to confirm size, volume, and style.
We create trial molds to produce actual glass samples, allowing you to test physical compatibility, decoration placement, and filling line performance.
Once samples are approved, we begin full-scale production using automated optical inspection (AOI) to catch and remove defects in real time.
Answers to common questions about engineering, materials, and international shipping.
Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contacts us for further information.
Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out our website for stock catalog items.
Yes, we can provide most documentation including Certificates of Analysis / Conformance (CoA/CoC); General Insurance; Certificate of Origin, and other export documents where required.
For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate your needs. In most cases we are able to do so.
You can make the payment to our bank account, Western Union or PayPal: 30% deposit in advance, 70% balance against the copy of B/L.
We warranty our materials and workmanship. Our commitment is to your satisfaction with our products. In warranty or not, it is the culture of our company to address and resolve all customer issues to everyone's satisfaction.
Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge.
The shipping cost depends on the way you choose to get the goods. Express is normally the quickest but also most expensive way. By seafreight is the best solution for big amounts. Exactly freight rates we can only give you if we know the details of amount, weight and way. Please contact us for further information.
Glass is completely inert and acts as a total barrier to oxygen and moisture, preventing active cosmetics from oxidizing. Unlike plastics, glass won't leach chemicals or absorb essential oils, preserving the original fragrance, color, and efficacy of your formula.
High-viscosity creams require larger internal chambers and wider dip tubes to flow smoothly, while low-viscosity lotions need tighter tolerances to prevent dripping. We customize the pump components based on your formula's specific viscosity (measured in centipoise) to ensure clean, consistent dispensing.
Explore our range of premium glass lotion pumps, square cream jars, and high-clarity dropper bottles.