Kevin Lyu, founder of EyouAgro, working on agricultural netting solutions for orchards and vineyards
I am Kevin Lyu, Founder of EyouAgro
I Make the Net That Stands Between Your Crop and the Storm.
For 30 years, my team and I have manufactured crop protection netting in our own Shanghai factory — hail nets, shade cloth, insect and drape nets — and shipped it directly to growers in more than 55 countries.
The people I build for — orchard owners, vineyard managers, greenhouse growers, agricultural importers — stake a whole year on every harvest.
No trading, no outsourcing. When a failed net can cost them a season, quality has to stay on my own production lines.
Where It All Began
A Father's Factory, A Son's Purpose.

The hum of machinery was the soundtrack to my childhood, and my father, its conductor.

Wind, frost, rain, and sun nourish everything that grows, but sometimes they can also cause harm. “How can we better protect them?” I found the answer to this question in my childhood.

I often saw my father working with his beloved machines in his factory.

"This netting is a suit of armor for the plants," he told me — guarding them against the harshness of nature.

At that moment, I felt a sense of wonder and pride. Today, I have taken over my father’s business, continuing this legacy of protection. That early understanding still shapes how I evaluate netting systems — not by how they look in catalogs, but by how they perform in the field, season after season.

I am fully dedicated to advancing crop protection technology, and to working alongside every grower with more advanced, eco-friendly solutions.

We firmly believe that by protecting every crop, we are ultimately safeguarding the hard work of growers and contributing to a more abundant, quality future for the world.
— Kevin Lyu
Our Philosophy
More Than Protection, It's Precision Growth Control
A net is not a cover. Done right, it is a growth instrument — optical and material science working for the crop underneath.

By precisely regulating shade and ventilation, we build a comprehensive crop protection system. It actively defends against harsh conditions like hail and high winds, ensuring a stable environment for optimal growth

A stable microclimate allows crops to devote more energy to fruit development. Unique diffused light technology boosts overall photosynthesis for better sugar content and flavor.

This is a cutting-edge technology. Our colored Agrotextiles selectively filter the light spectrum, sending specific growth signals to plants to stimulate flowering, enhance color, or delay harvest.

Proven in the Field
Engineering & Patents
Thirty years of field problems, turned into design changes, filed as 21 patents held by Joyeyou Industry. Twenty protect what happens under the net — they cluster around three questions growers actually ask. The twenty-first protects how we make the net itself.
Protection systems
5 utility models
How does a net survive a hailstorm intact? Complete orchard systems — anti-hail structures, automatic net tensioning, cherry-orchard protection, wind bracing.
Shade & reflective textiles
3 utility models
How do you control light and temperature without starving the crop? Weave structures for reflective screens, ground covers, and thermal curtains.
Fasteners & installation
10 utility + 2 design
The small parts that decide whether a net is still there after a storm — hooks that tension a net without tearing its edge, clips, connectors, and off-season storage hardware.
Manufacturing equipment
1 invention patent
The twenty-first patent protects the process, not the product — an in-line film-slitting system that keeps tape width and yarn weight consistent across every roll we produce.
PROTECTION SYSTEMS · 5 UTILITY MODELS
CN217407248U  Orchard anti-hail system
CN216982835U  Cherry planting protection system
CN214902579U  Agricultural wind-proof bracing system
CN217407250U  Automatic net tensioning system
CN216983312U  Eave bird-proof needle
SHADE & REFLECTIVE TEXTILES · 3 UTILITY MODELS
CN216193165U  Woven reflective screen structure
CN215301933U  Thermal woven curtain structure
CN216982706U  Reflective ground cloth material
DESIGN · 2
ZL 2018 3 0356444.6  Shark-tooth fixing clip
ZL 2021 3 0306835.0  Adjustable drawstring hook
FASTENERS & INSTALLATION · 10 UTILITY MODELS
CN208456968U  Fixing clip
CN215171887U  Adjustable rope-length hook
CN215819514U  Wire buckle clip
CN215302475U  Woven mesh connecting structure
CN215328949U  Woven mesh connecting pin
CN217152837U  Cable assembly device
CN217407247U  Post support plastic cap
CN217407249U  Multifunctional adaptive post cap
CN214825736U  Woven mesh storage system
CN217416385U  Protective net storage device
MANUFACTURING EQUIPMENT · 1 INVENTION
CN109733934B  In-line film slitting equipment

Utility models and the invention patent are verifiable on Google Patents; the two design patents are indexed at CNIPA.

Product Coverage
A Solution for Every Challenge
Rain Cracking in Chile, sunburn in Australia, birds in a New Zealand vineyard — every growing region has its own way of costing you a crop. Over 30 years, we have built a specific, field-proven answer for each of them.
No Two Orchards Are the Same.

The best solutions are born from collaboration. Tell me about your land, your crop, and the problem that keeps coming back — and I will come back with a protection strategy built for exactly that.

Sharing is the Best Way to Grow

“The more I share, the more I grow.” I firmly believe this.
Here, I’ll share what I’ve learned to help you better understand and use agrotextiles.

The greenhouse growers who contact me about broken Aluminet screens — it’s almost never a defect. It’s outdoor Aluminet (HDPE) installed in an automated rolling system.

Interior Aluminet uses polyester thread — soft, flexible, built for daily rolling. Outdoor uses HDPE — UV-stable, but stiff. After 150 roll cycles on a motorised gutter screen, I’ve seen HDPE crack at every crease line. That’s a full screen replacement in under a season.

Match thread to system: rolling daily → Al-I. Fixed for months → Al-O.

— Kevin Lyu, EyouAgro
17 mesh and 25 mesh may look similar, but they serve very different jobs: 17 mesh is built for orchards and maximum airflow, while 25 mesh is designed for vegetables and medium-pest exclusion.

This guide compares real-world performance using pest thorax width vs aperture size, so you can avoid under-protection, overheating, and wasted investment.

In real greenhouse projects we’ve supported, the 50 vs 75 mesh decision is rarely about “which one is better” — it’s about which risk you’re prioritizing. 75 mesh can be a game-changer when thrips or virus pressure is high, but it also brings a very real ventilation penalty that shows up as higher temperature, higher humidity, and faster disease pressure if the structure isn’t engineered for it.

— Kevin Lyu, EyouAgro

The growers who ask me about Silvereye damage in Margaret River and McLaren Vale — it’s almost never a mesh size problem. They’ve already tried 12 mm netting and the birds still got through. The actual problem is tension: a 12 mm mesh that opens to 14 mm under installation pressure lets Silvereyes through reliably. The fix isn’t sourcing finer mesh everywhere — it’s specifying 8–10 mm aperture under tension, not nominal. That specification is rarely stocked locally in commercial roll quantities. — Kevin Lyu, EyouAgro
Every season I hear the same question from Karnataka growers: ‘Which shade net brand is best?’ It’s the wrong question. The right question is: what shade percentage matches your specific crop stage and district’s UV index, and is the HDPE virgin or recycled? A 50% monofilament net from a lesser-known manufacturer using certified virgin resin will outlast a ‘premium brand’ product using recycled content by 3–4 seasons. Verify the resin spec before the brand name.
UK growers almost always ask me about mesh size first. That’s the wrong starting point. The starting point is species: Wood Pigeon and Blackbird are not the same problem, and the netting that handles one does not handle the other. A 20mm mesh excludes Wood Pigeons from a Herefordshire cider orchard u2014 but in Kent strawberry beds where Starlings swarm in August, 20mm is useless. Get the species right, then get the supplier. u2014 Kevin Lyu, EyouAgro
Across my years supplying insect netting in 12+ countries, the one question I always ask new buyers is: “Which insect are you actually trying to block?” Half the time the answer is vague—”all the bad ones,” or “something fine.” That’s almost always the start of a wrong purchase. The right insect net isn’t the finest one you can buy; it’s the coarsest one that still excludes your specific pest, with vent area sized to compensate for the airflow loss.

This guide is built around that question—from pest identification to mesh count to install sealing—so you can specify the right net the first time and avoid the heat, humidity, and disease problems that “just go finer” creates.

— Kevin Lyu, EyouAgro
Across farm and greenhouse projects we’ve supported, we’ve learned that “one mesh for everything” is the fastest way to lose either airflow or protection.

From a technical support perspective, the most reliable method is Crop → Key pest → Minimum safe aperture → Ventilation & pollination plan, because a net that blocks pests but overheats the crop is not a win.

— Kevin Lyu, EyouAgro
Vineyard netting is no longer an optional add-on—it’s becoming essential infrastructure. As weather volatility, bird and pest pressure, and labor costs rise, netting shifts vineyards from reactive damage control to proactive risk management, improving consistency in yield, quality, and seasonal planning.
After 30+ years supplying shade cloth to farms across 55+ countries, one pattern keeps repeating: farmers underestimate heat stress until they lose production.

Heat stress costs the U.S. livestock industry $1.5–2.5 billion annually — and most of it is preventable.

The key is matching shade percentage to your climate. Dairy cows in hot regions need 80–90% shade with at least 5 m² per head. Beef cattle can work with 70%. Use UV-stabilized HDPE, orient east-to-west, and keep structure height above 3.6 m for airflow.

— Kevin Lyu, EyouAgro
Roughly half the “my insect net is broken” emails we get aren’t about the net at all—they’re about ventilation that wasn’t redesigned for the airflow resistance the net added. After 20 years of seeing the same problem, the diagnosis is usually fast: heat builds up, humidity climbs, fungal disease shows up, and the grower assumes the net is failing. The net is fine; the system around it isn’t.

This guide walks through the four fixes that consistently solve the problem: larger effective vent area, supplementary fans on humidity triggers, mesh selection by pest spectrum, and a maintenance routine that keeps airflow from degrading over time.

— Kevin Lyu, EyouAgro
Shade cloth solves major heat and sunscald issues, but poor management can trigger cracking, blossom drop, weak color, fungal diseases, and low yield. This guide organizes all problems into five clear diagnostic categories with practical, actionable solutions—helping growers stabilize microclimate, protect fruit quality, and prevent costly mistakes.
All articles are written based on first-hand project experience, on-site installation work, and long-term performance data collected from orchards, vineyards, greenhouses, and commercial growers worldwide.
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Kevin Lyu, founder of EyouAgro, working on agricultural netting solutions for orchards and vineyards
About the Author

Kevin Lyu is an agricultural netting specialist and founder of EyouAgro.
He has worked with vineyard, orchard, and greenhouse projects across 55+ countries,
focusing on practical installation, durability, and long-term performance of agricultural protection systems.

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